Get in Touch with Guanma
Blog
Industrial Adhesive Tape Guide: Polyimide, Filament, PTFE & PET
Updated July 2026 · Engineering and procurement guide Reviewed by the Zhejiang Guanma Packaging…
BOPP Explained: What Biaxially Oriented Polypropylene Film Is, How It’s Made, and Where It’s Used
(Updated July 2026). Biaxially oriented polypropylene is polypropylene film that’s been stretched in two…
How to Choose the Right Release Liner: A Decision Framework
Updated July 2026 How to choose release liner means matching base material, release force,…
Choosing the Right PET Film Thickness: Gauge, Mil, and Micron Explained
Quick Specs Common Units Gauge, mil, micron (100 gauge = 1 mil = 25.4…
Removable Labels: How to Specify Adhesive, Facestock, and Clean Release
Removable labels are pressure-sensitive label constructions intended for a defined use period and a…
How to Verify Pharmaceutical Labels Before Packaging Release
Pharmaceutical packaging verification guide Pharmaceutical labels are controlled information surfaces that connect an approved…
Chemical Resistant Labels: How to Choose the Right Material and Adhesive System
Chemical resistant labels are pressure-sensitive label constructions engineered so the facestock, adhesive, topcoat, and…
Why PET (Polyester) Label Material Outperforms Paper and BOPP on Durability and Clarity
PET label material is a biaxially oriented polyester film facestock that converters spec when…
PET vs BOPP Film for Labels: Which One Actually Wins?
Quick Specs: PET vs BOPP at a Glance Density BOPP ~0.90-0.91 g/cm³ | PET…
