Blister Paper Selection Guide
(1) Classification by Coating Technology
| Coating Type | Core Function | Typical Grammage | Main Application Scenarios |
|---|---|---|---|
| Silicone Coated Paper | Non-stick, demolding | 150 - 300GSM | Baking trays, blister packs |
| PE Laminated Paper | Waterproof, greaseproof | 200 - 400GSM | Takeaway packaging, liquid food containers |
| Anti-static Paper | Electrostatic protection | 250 - 350GSM | Electronic component packaging |
| Flame-retardant Coated Paper | Fire resistance | 300 - 450GSM | Battery and industrial part packaging |
| Aluminum Foil Composite Paper | High barrier, light shielding | 200 - 350GSM | Pharmaceutical and cosmetic packaging |
(2) Key Performance Indicators
Heat-seal Strength: ≥ 8N/15mm (ASTM F1921, 180°C heat sealing for 2 seconds)
Temperature Resistance: No delamination or brittleness (121°C steam sterilization for 30 minutes / -40°C freezing for 24 hours)
Hygiene Safety: Heavy metals (Pb+Cd+Hg+CrVI) ≤ 100ppm; migration amount ≤ 0.1mg/dm² (GB 4806.1)
4. Industry Trends and Innovation Directions
(1) Sustainable Upgrades
Biobased Materials: Biodegradable corn starch-based laminations and natural rosin-based non-stick coatings gradually replace petroleum-based materials.
Circular Economy: Introduction of 100% recycled paper-based blister paper (e.g., TCF chlorine-free bleached products) with improved recycling systems.
Lightweight Design: Ultra-thin coating technology (thickness ≤ 5μm) reduces material consumption and carbon footprint.
(2) Diversified Functions
Smart Packaging: Integration of temperature- and humidity-sensitive coatings for real-time monitoring of food and pharmaceutical storage conditions.
Antimicrobial Packaging: Addition of nano-silver or chitosan antimicrobial agents to extend the shelf life of fresh products.
Anti-counterfeiting Technology: Hidden anti-counterfeiting features using fluorescent fibers and microcapsule inks on blister paper.
(3) Process Innovations
Digital Blister Forming: Customized production for small batches (minimum order quantity ≤ 500 units), meeting e-commerce FMCG demands.
3D Stereo Blistering: Complex surface forming technology for high-end cosmetic and luxury product packaging.
Solvent-free Lamination: Use of water-based adhesives instead of solvent-based adhesives for green production.
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