{"id":2722,"date":"2026-07-03T06:11:53","date_gmt":"2026-07-03T06:11:53","guid":{"rendered":"https:\/\/guanmalabel.com\/blog\/self-adhesive-label-film\/"},"modified":"2026-07-03T11:12:46","modified_gmt":"2026-07-03T11:12:46","slug":"self-adhesive-label-film","status":"publish","type":"post","link":"https:\/\/guanmalabel.com\/pt-br\/blog\/self-adhesive-label-film\/","title":{"rendered":"O que \u00e9 filme de etiqueta autoadesiva e como os compradores devem especific\u00e1-lo?"},"content":{"rendered":"<style id=\"ecc-blog-style\">\n.seo-blog-content{color:#1f2733;line-height:1.75;font-size:1.02rem;}\n.seo-blog-content h2{font-size:1.6rem;line-height:1.3;margin:1.9em 0 .55em;padding-bottom:.32em;border-bottom:2px solid #eef1f5;color:#13294b;font-weight:700;}\n.seo-blog-content h3{font-size:1.2rem;line-height:1.4;margin:1.5em 0 .5em;color:#13294b;font-weight:700;}\n.seo-blog-content a{color:#13294b;text-decoration:underline;text-underline-offset:2px;}\n.seo-blog-content table{border-collapse:separate;border-spacing:0;width:100%;margin:24px 0;font-size:.95rem;border:1px solid #e3e7ee;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(19,41,75,.07);}\n.seo-blog-content thead th,.seo-blog-content table th{background:#13294b !important;color:#ffffff !important;font-weight:600;text-align:left;padding:13px 15px;border:none !important;}\n.seo-blog-content td{padding:12px 15px;border:none;border-top:1px solid #edf0f4;}\n.seo-blog-content tbody tr:nth-child(even) td{background:#f6f8fb;}\n.seo-blog-content tbody tr:hover td{background:#eef3fa;}\n.seo-blog-content caption{caption-side:top;text-align:left;font-weight:700;color:#13294b;padding:6px 2px 10px;font-size:1rem;}\n.seo-blog-content details{border:1px solid #e3e7ee;border-radius:12px;margin:12px 0;background:#fff;overflow:hidden;box-shadow:0 1px 5px rgba(19,41,75,.05);}\n.seo-blog-content summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px 20px;font-weight:600;color:#13294b;background:#f7f9fc;transition:background .15s ease;}\n.seo-blog-content summary:hover{background:#eef2f8;}\n.seo-blog-content summary::-webkit-details-marker{display:none;}\n.seo-blog-content summary::after{content:\"+\";font-size:24px;font-weight:400;color:#13294b;line-height:1;flex:none;}\n.seo-blog-content details[open] summary{border-bottom:1px solid #e3e7ee;}\n.seo-blog-content details[open] summary::after{content:\"\\2212\";}\n.seo-blog-content details>p{margin:0;padding:16px 20px;color:#3a4453;}\n.seo-blog-content blockquote{border-left:4px solid #13294b !important;background:#f6f8fb !important;border-radius:0 10px 10px 0;margin:26px 0;padding:18px 26px !important;font-style:italic;color:#2a3340;}\n.seo-blog-content blockquote footer{font-style:normal;color:#6b7280;margin-top:8px;}\n.seo-blog-content ol,.seo-blog-content ul{padding-left:1.45em;}\n.seo-blog-content ol li,.seo-blog-content ul li{margin:8px 0;}\n.seo-blog-content figure{margin:30px 0;}\n.seo-blog-content figure img{border-radius:12px;box-shadow:0 6px 22px rgba(19,41,75,.12);}\n<\/style>\n<p><!DOCTYPE html><\/p>\n<p><html lang=\"en\"><br \/>\n<head><br \/>\n<meta charset=\"utf-8\"\/><br \/>\n<title>What Is Self-Adhesive Label Film? Buyer Guide<\/title><br \/>\n<meta content=\"Learn what self-adhesive label film is, how PET, BOPP and synthetic paper differ, and what brand owners and converters should put in an RFQ.\" name=\"description\"\/><br \/>\n<\/head><br \/>\n<body><\/p>\n<article style=\"font-family:Arial,Helvetica,sans-serif; color:#1f2933; line-height:1.65; max-width:980px; margin:0 auto; padding:24px;\">\n<header style=\"border-left:6px solid #009048; padding-left:18px; margin-bottom:26px;\">\n<p style=\"margin:0 0 8px; color:#009048; font-weight:700; letter-spacing:0;\">Reviewed by the Zhejiang Guanma Packaging Co., Ltd. technical team<\/p>\n<p style=\"font-size:18px; margin:0;\">Self-adhesive label film is label stock made from a film face material, a pressure-sensitive adhesive, and a release liner. This buyer guide for brand owners and converters explains how to specify the stack so it works on your bottle, pouch, carton, or durable product.<\/p>\n<\/header>\n<section style=\"background:#f2fbf6; border:1px solid #b8e3c9; padding:18px; margin:24px 0;\">\n<h2 style=\"font-size:24px; margin:0 0 12px; color:#007800;\">Quick Specs Before You Source<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_01-1.png\" alt=\"Quick Specs Before You Source \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [FIRST-HAND: Guanma] https:\/\/guanmalabel.com\/self-adhesive-film\/ --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<ul style=\"margin:0; padding-left:22px;\">\n<li>Basic stack: film face stock, pressure-sensitive adhesive, release liner.<\/li>\n<li>Main Guanma film families: PET 23-50 \u00b5m, BOPP 50-80 \u00b5m, and synthetic paper 90-120 g\/m<sup>2<\/sup>.<\/li>\n<li>Adhesive systems: hot-melt adhesive, water-based acrylic, UV-curable adhesive, removable, and repositionable options.<\/li>\n<li>Public procurement facts: MOQ from 1 ton, SEA lead time 7-14 days, A4 swatch samples, trial rolls, and in-house QC.<\/li>\n<li>Buyer checks: substrate, surface energy, temperature, print method, roll width, liner, peel adhesion evidence, and compliance flags.<\/li>\n<\/ul>\n<\/section>\n<section style=\"border:1px solid #d7eadf; padding:16px; margin:24px 0;\">\n<h2 style=\"font-size:24px; margin:0 0 12px; color:#0f2f22;\">Specification Numbers Worth Keeping in the RFQ<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_02-1.png\" alt=\"Specification Numbers Worth Keeping in the RFQ \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [FIRST-HAND: Guanma] https:\/\/guanmalabel.com\/self-adhesive-film\/ --><br \/>\n<!-- [WEBSEARCH: https:\/\/store.astm.org\/d3330_d3330m-04r25.html] --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<p>Numbers in a label-film RFQ aren&#8217;t decoration. They prevent a supplier from quoting a visually similar label stock that won&#8217;t run on the same press, fit the same applicator, or survive the same package environment.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:14px 0; font-size:15px;\">\n<thead>\n<tr style=\"background:#009048; color:#fff;\">\n<th style=\"padding:8px; border:1px solid #d7eadf;\">Spec category<\/th>\n<th style=\"padding:8px; border:1px solid #d7eadf;\">Number to verify<\/th>\n<th style=\"padding:8px; border:1px solid #d7eadf;\">Why it changes the quote<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">PET film<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">23-50 \u00b5m<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Changes stiffness, clarity, and roll yield.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">BOPP film<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">50-80 \u00b5m<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Affects label handling and film feel.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Synthetic paper<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">90-120 g\/m<sup>2<\/sup><\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Controls paper-like stiffness and tear resistance.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Hot-melt service range<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">-10 to 60\u00b0C<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Flags cold-chain and heat-storage limits.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Water-based acrylic range<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">-20 to 80\u00b0C<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Useful when aging and cleaner appearance matter.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">UV-curable range<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">-40 to 150\u00b0C<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Often asked about for demanding film-label work.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Minimum surface energy<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">28-31 mN\/m by adhesive family<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Prevents a generic adhesive callout on PE or PP.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Trial roll width<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">100-250 mm<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Lets a converter test press, die, and liner behavior.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Swatch timing<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">3 business days<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Supports early screening before artwork is final.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Bulk credit window<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">60 days<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Keeps sample cost and purchase timing visible.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">SEA lead time<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">7-14 days<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Sets the baseline for regional launch planning.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Europe \/ South America lead time<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">21-28 days<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Shows why approval timing matters before a launch.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">US West Coast lead time<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">25-32 days<\/td>\n<td style=\"padding:8px; border:1px solid #d7eadf;\">Forces the buyer to separate sample timing from freight timing.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If a buyer sends only &#8220;clear film label&#8221; and a label size, the supplier has to guess too much: a 23 \u00b5m PET construction, a 50 \u00b5m BOPP construction, and a 90 g\/m<sup>2<\/sup> synthetic paper construction can all be called film-like materials, but they won&#8217;t feel, print, dispense, or age the same way on an applicator running under production pressure.<\/p>\n<\/section>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">What Is Self-Adhesive Label Film?<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_03-1.png\" alt=\"What Is Self-Adhesive Label Film? \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [WEBSEARCH: https:\/\/www.astm.org\/d3330_d3330m-04r18.html] --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<p>Self-adhesive label film is a pressure-sensitive label material built with a plastic or synthetic film face stock, an adhesive layer, and a release liner. Unlike wet-glue labels, pressure sensitive adhesive labels bond when pressure is applied. That&#8217;s why material choice matters before a converter prints, die-cuts, or dispenses a roll.<\/p>\n<p>In everyday buying language, label film is the film-based branch of label stock. Paper labels still fit many dry, short-life, indoor products. Film labels usually enter the discussion when the package faces moisture, squeezing, oil, refrigeration, outdoor exposure, or a no-label clear look. Mistake to avoid: treating &#8220;film&#8221; as one material. PET, BOPP, PE, PVC, and synthetic paper behave differently under print, tack, peel, and dispensing stress.<\/p>\n<p>Buyer pain shows up in four patterns. The same label can pass on glass and fail on PE or PP because surface energy changes the bond. A film face stock can survive moisture while the wrong ink system still smudges in a cooler. A low-cost BOPP construction can be right for wet packaged goods but wrong for outdoor UV exposure. A supplier quote is weak when the RFQ omits liner, roll width, print method, and target substrate. Guanma&#8217;s public film range gives the buyer concrete starting points, including PET 23-50 \u00b5m, BOPP 50-80 \u00b5m, and synthetic paper 90-120 g\/m<sup>2<\/sup>, but those numbers still need to be matched against the application risk.<\/p>\n<p>For Guanma customers, the commercial specification lives on the <a href=\"https:\/\/guanmalabel.com\/self-adhesive-film\/\" style=\"color:#009048; font-weight:700;\">self-adhesive label film specifications<\/a> page. This article is the buyer map: it explains which details should go into the first RFQ and which claims should be confirmed with samples or reports.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">The 3-Layer Label Film Spec Stack<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_04-1.png\" alt=\"The 3-Layer Label Film Spec Stack \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<p>Start the first sourcing call with the <strong>3-Layer Label Film Spec Stack<\/strong>. When a label fails, the visible symptom often points to the wrong layer. Smearing isn&#8217;t always a face-stock problem. Edge lift isn&#8217;t always an adhesive problem. Tearing during matrix stripping can trace back to the release liner.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:18px 0;\">\n<thead>\n<tr style=\"background:#009048; color:#fff;\">\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Layer<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Job in the label<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Failure symptom<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Buyer question<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Face stock<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Carries ink, finish, opacity, clarity, and tear resistance.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Ink rubs, film wrinkles, label looks hazy, tag tears.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Do I need PET, BOPP, synthetic paper, or another film?<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Adhesive<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Controls tack, peel, removability, cold performance, and substrate fit.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Edge lift, label slide, residue, or poor wet-out.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">What substrate, temperature, and peel target must it meet?<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Release liner<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Protects adhesive and lets converters slit, die-cut, strip, and dispense.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Die-cut trouble, matrix breaks, uneven dispensing, static issues.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Which liner, release force, and roll format match my equipment?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>ISO 28219 includes label adhesive characteristics and mark durability in its labelling scope, which is a reminder that a good label spec should cover more than artwork. It should state how the label is expected to stay readable and attached in the field.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">PET vs BOPP vs Synthetic Paper: The Face Stock x Adhesive x Substrate Risk Matrix<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_05-1.png\" alt=\"PET vs BOPP vs Synthetic Paper: The Face Stock x Adhesive x Substrate Risk Matrix \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [FIRST-HAND: Guanma] https:\/\/guanmalabel.com\/self-adhesive-film\/ --><br \/>\n<!-- [WEBSEARCH: https:\/\/patents.google.com\/patent\/US6280557B1\/en] --><\/p>\n<p>Use the <strong>Face Stock x Adhesive x Substrate Risk Matrix<\/strong> as the main buyer asset in this guide. It doesn&#8217;t replace sample testing, but it gives brand owners and converters a better first shortlist.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:18px 0; font-size:15px;\">\n<thead>\n<tr style=\"background:#0f2f22; color:#fff;\">\n<th style=\"padding:9px; border:1px solid #d7eadf;\">Risk category<\/th>\n<th style=\"padding:9px; border:1px solid #d7eadf;\">PET film<\/th>\n<th style=\"padding:9px; border:1px solid #d7eadf;\">BOPP film<\/th>\n<th style=\"padding:9px; border:1px solid #d7eadf;\">Synthetic paper<\/th>\n<th style=\"padding:9px; border:1px solid #d7eadf;\">Buyer risk<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Typical thickness or weight<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">23-50 \u00b5m<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">50-80 \u00b5m<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">90-120 g\/m<sup>2<\/sup><\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Wrong caliper can change stiffness and dispensing.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Clarity<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Good for clear or durable labels.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Clear BOPP labels and white BOPP labels are common.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Paper-like opacity.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">No-label looks need sample checks on the real bottle.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Moisture exposure<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Strong option for wet or durable outdoor labels.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Common for food packaging labels and beverage packaging.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Better than paper when tearing and water matter.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Ink and adhesive can still fail even if the film survives.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Heat and UV<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Often chosen when durability matters.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Good for many packaged goods; not automatically outdoor grade.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Depends on coating and end use.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Ask for real aging or field history, not only a material name.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Print method<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Check topcoat for digital, flexo, or thermal transfer.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Good print surface when topcoat matches ink.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Often friendly for paper-like graphics.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Cooler smudging usually means material and print method were not tested together.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Common adhesive pairing<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Acrylic or UV-curable for clarity and aging needs.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Hot-melt or acrylic depending on tack and clarity.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Acrylic, hot-melt, removable, or repositionable.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">A strong adhesive is not always the best adhesive.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Low-surface-energy substrate<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Needs adhesive\/substrate confirmation.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Often used on PP packaging but still needs testing.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Depends on backing and adhesive.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">PE and PP can lift if surface energy is ignored.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Converter run risk<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Stiffness can help, but die-cut setup matters.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Trade sources cite BOPP converting advantages.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Can behave closer to paper while resisting tearing.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Line speed, liner release, and roll tension must be stated.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Best first sample use<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Cosmetics labels, durable outdoor labels, electronics, chemical packaging.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Food, beverage, personal care, clear or white packaging labels.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Tags, drum labels, maps, tear-resistant instructions.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Sample the exact construction before approving bulk rolls.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>BOPP means biaxially oriented polypropylene. PET usually refers to polyester label stock. Synthetic paper is a plastic-based paper alternative. Each can be the right answer when the RFQ connects face stock, adhesive, substrate, temperature, and print method.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">Adhesive Selection: Hot-Melt, Water-Based Acrylic, UV-Curable, Removable<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_06-1.png\" alt=\"Adhesive Selection: Hot-Melt, Water-Based Acrylic, UV-Curable, Removable \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [FIRST-HAND: Guanma] https:\/\/guanmalabel.com\/self-adhesive-film\/ --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.ecfr.gov\/current\/title-21\/chapter-I\/subchapter-B\/part-175] --><\/p>\n<p>Adhesive selection should start with the package surface and service environment. Guanma&#8217;s public page lists hot-melt, water-based acrylic, and UV-curable adhesive families, plus removable and repositionable directions. It also lists service-temperature examples: hot-melt at -10 to 60\u00b0C, water-based acrylic at -20 to 80\u00b0C, and UV-curable at -40 to 150\u00b0C.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:18px 0;\">\n<thead>\n<tr style=\"background:#009048; color:#fff;\">\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Adhesive family<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">When buyers consider it<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Risk to test<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Hot-melt adhesive<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">High tack, practical carton or bottle work, lower-temperature logistics.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Heat resistance, adhesive ooze, residue, and aging.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Water-based acrylic<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Cleaner appearance, clarity, and aging stability.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Initial tack and cold\/wet performance on the real substrate.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">UV-curable adhesive<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Higher temperature or more demanding film-label work.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Cure, migration, odor, and certificate fit.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Removable or repositionable<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Temporary labels, promotion labels, rework, and some logistics uses.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Residue, edge lift, and removal after aging.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For food packaging labels, the buyer should also ask whether the construction needs evidence under FDA 21 CFR 175.105 or related food-contact rules. That question belongs in the RFQ because adhesive, film, print, and packaging use can change the answer.<\/p>\n<blockquote style=\"border-left:5px solid #009048; margin:20px 0; padding:12px 18px; background:#f6fff9; color:#163b2c;\"><p>Counterintuitive sourcing rule: a stronger adhesive is not always the right adhesive. The right adhesive is the one that meets peel, residue, temperature, and substrate requirements after the exact package has been tested.<\/p><\/blockquote>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">Surface Energy: Why Some Film Labels Lift on PE and PP<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_07-1.png\" alt=\"Surface Energy: Why Some Film Labels Lift on PE and PP \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [WEBSEARCH: https:\/\/qcelectronics.com\/secrets-to-successful-corona-treatment\/] --><br \/>\n<!-- [WEBSEARCH: https:\/\/patents.google.com\/patent\/US6280557B1\/en] --><\/p>\n<p>Surface energy is one reason a label can pass on glass and fail on polypropylene. PE and PP are low-surface-energy plastics. In practice, that means the adhesive or ink may not wet the surface well enough without treatment, a different adhesive, or a different label construction.<\/p>\n<p>QC Electronics describes corona treatment as a way to increase surface energy on low-surface-energy polymers such as polyethylene and polypropylene. It also notes that the target surface energy for adhesion should be about 8-10 mN\/m higher than the surface tension of the applied ink, adhesive, or coating. Use that as a principle, not as a substitute for a test report.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:18px 0;\">\n<thead>\n<tr style=\"background:#0f2f22; color:#fff;\">\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Substrate<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Typical risk<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">RFQ note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Glass<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Usually easier to wet; bottle washing and condensation still matter.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Ask for wet-rub and cooler tests when relevant.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">HDPE \/ LDPE<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Low surface energy; squeeze bottles add flex stress.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">State material grade, treatment, and fill temperature.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">PP<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Label lift or poor ink anchorage if untreated.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Ask whether corona treatment or a special adhesive is needed.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">PET bottle<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Clarity, wash-off, and recycling compatibility can matter.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">State whether removability or wash-off is part of the spec.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Sample approval should include the real container, the real fill condition, and the real label path. If the brand owner changes from glass to PP later, repeat the test. The previous pass doesn&#8217;t transfer automatically.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">Printing and Converting Fit: Flexo, Digital, Thermal Transfer, and Die-Cutting<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_08-1.png\" alt=\"Printing and Converting Fit: Flexo, Digital, Thermal Transfer, and Die-Cutting \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<p>Converters care about print face, liner release, roll width, roll length, die-cutting, and line speed. Brand owners care about color, shelf appearance, legibility, and whether the label stays attached after filling, shipping, and use. The same label film has to satisfy both sides.<\/p>\n<ul style=\"padding-left:22px;\">\n<li>Flexo: confirm topcoat, ink system, varnish, and curing setup.<\/li>\n<li>Digital: ask whether the film surface is qualified for the press and toner or ink chemistry.<\/li>\n<li>Thermal transfer: confirm ribbon match, print durability, and abrasion needs.<\/li>\n<li>Die-cutting: check liner strength, release force, matrix stripping, and die depth.<\/li>\n<li>Dispensing: state roll width, core, roll outside diameter, line speed, and label gap.<\/li>\n<\/ul>\n<p>One forum example from a bottle-label project reported peeling and smudging after cooler exposure. Practical lesson: water-resistant film isn&#8217;t enough if the print method, coating, and adhesive weren&#8217;t chosen for cold, wet handling.<\/p>\n<p>Converters should also ask for a roll format that matches the press and applicator. A 100 mm trial roll can reveal matrix stripping risk, while a 250 mm trial roll may show web-tension issues closer to production. If the applicator runs 60 m\/min and the test is done slowly by hand, the result can hide dispensing trouble. If a thermal-transfer ribbon is used, test abrasion after 24 hours and again after 7 days; print anchorage can look acceptable at first and fail after handling.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">Test Methods Buyers Should Ask For<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_09-1.png\" alt=\"Test Methods Buyers Should Ask For \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [WEBSEARCH: https:\/\/store.astm.org\/d3330_d3330m-04r25.html] --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.ecfr.gov\/current\/title-21\/chapter-I\/subchapter-B\/part-175] --><\/p>\n<p>Buyers don&#8217;t need to become test engineers, but they should know which documents to ask for. For a converter or brand owner, a long certificate folder is less useful than evidence that the label film has been checked against the right risk.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:18px 0;\">\n<thead>\n<tr style=\"background:#009048; color:#fff;\">\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Evidence to request<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">What it helps confirm<\/th>\n<th style=\"padding:10px; border:1px solid #d7eadf;\">Buyer caution<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">ASTM D3330 \/ D3330M<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Peel adhesion of pressure-sensitive tape or comparable adhesive constructions.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Ask which method, angle, panel, and date\/version were used.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">FINAT FTM 1 \/ FTM 2<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Peel adhesion language familiar to label-stock buyers.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Confirm the exact surface and dwell time.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">FDA 21 CFR 175.105<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Indirect food-contact adhesive question for some food-packaging labels.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Do not treat a general statement as proof for every printed construction.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">REACH SVHC \/ RoHS<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Restricted-substance screening for regulated markets.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Check date, scope, and whether ink or coating is included.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Application sample report<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Bond and print behavior on the actual container.<\/td>\n<td style=\"padding:10px; border:1px solid #d7eadf;\">Flat lab-panel samples may not reveal package curvature, squeeze, oil, or cold-chain risk.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Guanma&#8217;s public page lists ISO 9001, FDA compliance for indirect food contact, and REACH SVHC compliance claims for the self-adhesive film line. The RFQ should still ask which exact construction and document set applies to your product.<\/p>\n<p>When a brand owner is comparing two suppliers that both claim peel adhesion, food-contact readiness, and restricted-substance compliance, the useful question isn&#8217;t which brochure sounds cleaner; the useful question is which supplier can connect a dated report, the exact face stock, the adhesive code, the print surface, and the final substrate in one traceable sample package.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">The 12-Field Label Film RFQ Sheet<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_10-1.png\" alt=\"The 12-Field Label Film RFQ Sheet \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [FIRST-HAND: Guanma] https:\/\/guanmalabel.com\/self-adhesive-film\/ --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<p>Use the <strong>12-Field Label Film RFQ Sheet<\/strong> to turn a vague inquiry into a supplier-ready request. This matters because a quote without substrate, roll, and testing details often creates rework after the first sample.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:18px 0; font-size:15px;\">\n<thead>\n<tr style=\"background:#0f2f22; color:#fff;\">\n<th style=\"padding:9px; border:1px solid #d7eadf;\">RFQ field<\/th>\n<th style=\"padding:9px; border:1px solid #d7eadf;\">What to send<\/th>\n<th style=\"padding:9px; border:1px solid #d7eadf;\">Why it matters<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">1. Face stock<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">PET, BOPP, synthetic paper, or target equivalent.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Sets clarity, stiffness, tear resistance, and print fit.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">2. Thickness or GSM<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Example: PET 23-50 \u00b5m, BOPP 50-80 \u00b5m, synthetic paper 90-120 g\/m<sup>2<\/sup>.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Affects dispensing, feel, and conversion.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">3. Adhesive<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Hot-melt, acrylic, UV-curable, removable, or repositionable.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Controls tack, peel, residue, and temperature fit.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">4. Release liner<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Glassine, PET liner, kraft, or supplier recommendation.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Controls die-cutting and dispensing behavior.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">5. Roll width<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Width in mm and tolerance.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Avoids slitting and press-fit errors.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">6. Roll length \/ core<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Meters per roll, core size, outside diameter limit.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Matches warehouse, press, and applicator limits.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">7. Finish<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Clear, white, matte, gloss, metallized, topcoated.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Changes shelf look and ink anchorage.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">8. Application substrate<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Glass, PET, HDPE, PP, metal, carton, or coated surface.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Substrate drives adhesive and surface-energy risk.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">9. Service temperature<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Filling, shipping, storage, and end-use ranges.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Cold and heat are common peel-failure triggers.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">10. Print method<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Flexo, digital, thermal transfer, offset, or blank label stock.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Topcoat and ink system must match.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">11. Certificate flags<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">FDA 21 CFR 175.105, REACH SVHC, RoHS, FSC, customer-specific needs.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Prevents late compliance rework.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">12. Sample requirement<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">A4 swatch, trial roll width, sample label, or converted roll.<\/td>\n<td style=\"padding:9px; border:1px solid #d7eadf;\">Connects quote to real approval testing.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Guanma can review these fields against its <a href=\"https:\/\/guanmalabel.com\/self-adhesive-film\/#ct-popup-809\" style=\"color:#009048; font-weight:700;\">self-adhesive film quote request<\/a> workflow. If your team doesn&#8217;t know every field yet, start with substrate, temperature, print method, and target application; those four details usually prevent the largest mismatch.<\/p>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">What Is Changing in Label Film Buying in 2026?<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_11-1.png\" alt=\"What Is Changing in Label Film Buying in 2026? \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [WEBSEARCH: https:\/\/patents.google.com\/patent\/EP4514910A1\/en] --><\/p>\n<p>Forecast publishers expect continued growth for self-adhesive labels and label films, but that isn&#8217;t the decision point for one buyer. The buyer point is that more teams now ask for proof earlier: recyclability direction, wash-off adhesive options, restricted-substance evidence, report version dates, origin risk, and sample timing.<\/p>\n<p>Patent results around wash-off pressure-sensitive adhesive for PET and recyclable label-film constructions show where technical work is active. Brand owners shouldn&#8217;t read patents as proof that every supplier has the same material ready. Read them as a clue to ask better questions: Does this construction wash off? Does it support recycling goals? Which container stream was it tested against?<\/p>\n<p>The practical change for 2026 sourcing is earlier qualification. Ask for the film family, adhesive family, liner, sample path, certificate scope, and test method before artwork is locked. Later material changes can affect print color, peel adhesion, line speed, and labeling equipment.<\/p>\n<p>For brand owners, earlier qualification also protects launch calendars. Samples can ship in 3 business days, but a new construction still needs internal approval, filling-line checks, and freight planning. If a buyer waits until final artwork to ask about REACH SVHC, FDA 21 CFR 175.105, roll width, or liner release, the project can lose 2-4 weeks to avoidable retesting. The safer sequence is material shortlist, A4 swatch, trial roll, converted label, then production roll.<\/p>\n<section style=\"background:#f6fff9; border:1px solid #b8e3c9; padding:18px; margin:30px 0;\">\n<h2 style=\"font-size:26px; color:#007800; margin-top:0;\">How Guanma Fits This RFQ<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/guanmalabel.com\/wp-content\/uploads\/2026\/07\/self-adhesive-label-film-h2_12-1.png\" alt=\"How Guanma Fits This RFQ \u2014 Guanma\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p><!-- [FIRST-HAND: Guanma] https:\/\/guanmalabel.com\/about-us\/ --><br \/>\n<!-- [WEBSEARCH: https:\/\/www.iso.org\/standard\/44534.html] --><\/p>\n<p>Guanma manufactures self-adhesive label film, self-adhesive paper, pressure-sensitive adhesives, and release liners. Public company evidence states that Zhejiang Guanma Packaging Co., Ltd. is based in Haiyan, Zhejiang, with roots dating to Shanghai Guanma in 2010 and the Zhejiang company established in 2019. For this article, the important point is operational fit: film face stocks, adhesive systems, release liners, samples, and QC can be discussed together rather than as separate catalog lines.<\/p>\n<p>That matters in a label film RFQ because face stock and adhesive aren&#8217;t independent line items. Buyers may ask for white BOPP labels, but the converter still needs liner release, die-cut depth, roll width, adhesive family, and print surface. Packaging managers may ask for durable outdoor labels, but the supplier still needs temperature range, UV exposure, substrate, and certificate flags. Better first RFQs mean fewer sample loops.<\/p>\n<p><a href=\"https:\/\/guanmalabel.com\/self-adhesive-film\/#ct-popup-809\" style=\"display:inline-block; background:#009048; color:#fff; padding:11px 16px; text-decoration:none; font-weight:700;\">Send label film RFQ fields to Guanma<\/a><\/p>\n<\/section>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">FAQ<\/h2>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">What is self-adhesive film used for?<\/summary>\n<p>Self-adhesive film is used for labels that need a film face stock instead of paper. Common uses include food packaging labels, cosmetics labels, beverage bottles, durable outdoor labels, logistics tags, chemical packaging, and products exposed to moisture or handling. The film gives the label clarity, tear resistance, water resistance, or durability, while the adhesive and liner control bonding and conversion behavior.<\/p>\n<\/details>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">What is a self-adhesive label?<\/summary>\n<p>Self-adhesive labels are pressure-sensitive labels that bond when pressure is applied. They normally include a face stock, adhesive, and release liner. The face stock carries the print, the adhesive bonds to the package, and the liner protects the adhesive until conversion or application. Paper, PET, BOPP, PE, and synthetic paper can all appear in different constructions.<\/p>\n<\/details>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">How long does label adhesive last?<\/summary>\n<p>Label adhesive life depends on adhesive chemistry, substrate, temperature, moisture, UV exposure, storage, and application pressure. Labels that last years indoors may fail quickly on a chilled, oily, flexible, or low-surface-energy surface. For long-life work, ask the supplier for peel adhesion, aging, and application evidence for your real package. Also ask how long unused rolls can be stored before conversion, because warehouse heat, humidity, and liner aging can change the way a pressure-sensitive label dispenses months later. If the product is exported, request the test date and report version, not only a pass\/fail statement.<\/p>\n<\/details>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">Is BOPP better than PET for labels?<\/summary>\n<p>Not always. BOPP often fits wet packaged goods, while PET is picked for higher durability or heat.<\/p>\n<\/details>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">Can self-adhesive label film be removed without residue?<\/summary>\n<p>Yes, but only when the construction is designed for removability or repositioning. Permanent adhesive shouldn&#8217;t be expected to remove cleanly after heat, pressure, or aging. If removability matters, state the surface, dwell time, temperature, and residue limit in the RFQ.<\/p>\n<\/details>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">What MOQ should brand owners expect?<\/summary>\n<p>Guanma lists MOQ from 1 ton for PET and BOPP, with synthetic paper from 0.5 ton.<\/p>\n<\/details>\n<details style=\"border:1px solid #d7eadf; padding:12px; margin:10px 0;\">\n<summary style=\"font-weight:700;\">What should I test before approving a label film roll?<\/summary>\n<p>Test the exact film, adhesive, liner, print method, and container together. At minimum, check peel adhesion, ink rub, cold or heat exposure, water or oil exposure, die-cutting, dispensing, and edge lift after dwell time. If food, cosmetics, export, or electronics markets are involved, ask which compliance documents apply to the exact construction.<\/p>\n<\/details>\n<h2 style=\"font-size:30px; color:#0f2f22; margin-top:34px;\">Related Reading<\/h2>\n<ul style=\"padding-left:22px;\">\n<li><a href=\"https:\/\/guanmalabel.com\/self-adhesive-film\/bopp-label-film\" style=\"color:#009048;\">BOPP label film<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/self-adhesive-film\/pet-adhesive-film\" style=\"color:#009048;\">PET adhesive film<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/self-adhesive-film\/synthetic-paper\" style=\"color:#009048;\">Synthetic paper label stock<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/self-adhesive-paper\" style=\"color:#009048;\">Self-adhesive paper<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/release-paper-liner\" style=\"color:#009048;\">Release liner options<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/label-solutions-by-application\/food-packaging-labels\" style=\"color:#009048;\">Food packaging labels<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/label-solutions-by-application\/freezer-labels\" style=\"color:#009048;\">Freezer label materials<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/label-solutions-by-application\/durable-outdoor-labels\" style=\"color:#009048;\">Durable outdoor labels<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/blog\/bopp-label-film-guide\" style=\"color:#009048;\">BOPP label film guide<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/blog\/label-stock-buying-guide\" style=\"color:#009048;\">Label stock buying guide<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/blog\/waterproof-labels-materials-how-they-work\" style=\"color:#009048;\">Waterproof label materials<\/a><\/li>\n<li><a href=\"https:\/\/guanmalabel.com\/blog\/what-is-a-release-liner\" style=\"color:#009048;\">Release liner guide<\/a><\/li>\n<\/ul>\n<section style=\"margin-top:28px; padding:16px; background:#f7f7f7; border:1px solid #e1e1e1;\">\n<h2 style=\"font-size:24px; color:#0f2f22; margin-top:0;\">Sources Used<\/h2>\n<ul style=\"padding-left:22px;\">\n<li><a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/chapter-I\/subchapter-B\/part-175\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">eCFR 21 CFR Part 175<\/a><\/li>\n<li><a href=\"https:\/\/www.astm.org\/d3330_d3330m-04r18.html\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">ASTM D3330\/D3330M<\/a><\/li>\n<li><a href=\"https:\/\/store.astm.org\/d3330_d3330m-04r25.html\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">ASTM D3330\/D3330M-04(2025)<\/a><\/li>\n<li><a href=\"https:\/\/www.iso.org\/standard\/44534.html\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">ISO 28219<\/a><\/li>\n<li><a href=\"https:\/\/www.labelandnarrowweb.com\/films-51515\/\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">Label &amp; Narrow Web: Films<\/a><\/li>\n<li><a href=\"https:\/\/qcelectronics.com\/secrets-to-successful-corona-treatment\/\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">QC Electronics: Corona Treatment<\/a><\/li>\n<li><a href=\"https:\/\/patents.google.com\/patent\/EP4514910A1\/en\" style=\"color:#009048;\" target=\"_blank\" rel=\"noopener\">Google Patents: Wash-off pressure-sensitive adhesive<\/a><\/li>\n<\/ul>\n<\/section>\n<\/article>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Is Self-Adhesive Label Film? Buyer Guide Reviewed by the Zhejiang Guanma Packaging Co., Ltd. technical team Self-adhesive label film is label stock made from a film face material, a pressure-sensitive adhesive, and a release liner. This buyer guide for brand owners and converters explains how to specify the stack so it works on your [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":2739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1,23],"tags":[],"class_list":["post-2722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guanma-blogs","category-self-adhesive-film-blogs"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/posts\/2722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/comments?post=2722"}],"version-history":[{"count":0,"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/posts\/2722\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/media\/2739"}],"wp:attachment":[{"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/media?parent=2722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/categories?post=2722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guanmalabel.com\/pt-br\/wp-json\/wp\/v2\/tags?post=2722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}