Attribute	Specification
Material Composition	3-layer structure: Milky White VMPET layer (12–25 µm) / Adhesive tie layer / CPP sealant layer (30–100 µm). VMPET includes 350–400Å aluminum metallization for enhanced barrier properties 3 7 .
Barrier Performance	- Oxygen Transmission Rate (OTR): ≤0.3 cm³/m²·day (ASTM D3985) - Moisture Vapor Transmission Rate (MVTR): ≤0.8 g/m²·day (ASTM E96) 3 8 .
Optical Properties	- Light Transmittance: ≤5% (visible spectrum) - Whiteness Index: ≥90 (HunterLab) 1 9 .
Mechanical Strength	- Tensile Strength (MD/TD): ≥45 MPa / ≥38 MPa (ISO 527-3) - Puncture Resistance: ≥20 lbf (ASTM F1306) 6 9 .
Thermal Resistance	- Heat Seal Range: 120–160°C (compatible with VFFS machines) - Retort Compatibility: Short-term 90°C thermal exposure 3 7 .
Certifications	- BRCGS Packaging Standard (food safety) - FDA 21 CFR 177.1630 (food contact) 6 7 .
Printing & Surface	- UV Ink Adhesion: ≥4B (ASTM D3359) - Anti-static Coating: Surface resistivity ≤10¹² Ω/sq 1 7 .
Sustainability	- 30% Recycled PET Content (GRS-certified) - EU Ecolabel compliant (carbon footprint reduced by 15%) 6 9 .
Customization	- Thickness: 50–300 µm (±5%) - Width: 200–1,500 mm (±0.3% tolerance) 3 7 .

Parameter	Details
Heat Seal Performance	- Seal Strength: ≥3.8 N/15mm (JIS Z0238) - Hot Tack Strength: ≥2.5 N/15mm (ASTM F2029) 6 9 .
Compliance Testing	- Migration Limits: Pb/Cd ≤0.5 ppm (EU 10/2011) - Gamma Irradiation Resistance: 10–25 kGy (ISO 11137) 3 7 .
Printing Compatibility	- Pre-printing: Supports 8-color Pantone with ±0.1mm registration accuracy - Dynamic QR Codes: GS1-compliant traceability 1 7 .
Packaging & Logistics	- MOQ: 2,500 rolls - Delivery: Vacuum-sealed with desiccant, palletized (1,200 × 800 × 1,500 mm) 3 7 .