Attribute	Description	Reference
Material Structure	3-layer coextruded composite: Aluminum Foil (AL, ≥99.5% purity) + Adhesive Layer + Polyethylene (PE) sealing layer. Optimized for high oxygen/moisture barrier.	3
OTR/WVTR	Oxygen Transmission Rate (OTR) ≤0.05 cm³/m²·day; Water Vapor Transmission Rate (WVTR) ≤0.5 g/m²·24h (38°C, 90% RH).	3 6
Certifications	FDA 21 CFR Part 177 (food contact compliance), ISO 22000 (food safety), EU 1935/2004 (migration limits).	7 10
Thermal Resistance	Retort-safe up to 121°C; compatible with autoclave sterilization and frozen storage (-40°C).	3 5
Surface Finish	Matte or glossy options; supports 8-color Pantone® gravure printing (±0.1mm accuracy).	6
Applications	High-temperature retort food packaging (sauces, ready-to-eat meals), pharmaceutical blister packs, coffee/nut vacuum sealing.	3 5
Sustainability	Recyclable PE layer; optional 30% post-consumer recycled PE (GRS-certified). Complies with EU SUP Directive.	3 5

Parameter	Specification	Reference
Thickness Range	80–250 μm (customizable for vertical/horizontal form-fill-seal machines).	3 6
Tensile Strength	≥40 MPa (machine direction) / ≥35 MPa (transverse direction).	2 5
Heat Seal Strength	8–12 N/15mm (sealing temperature: 120–160°C; compatible with LDPE/LLDPE).	5
Puncture Resistance	≥60 N (ASTM D5748; ideal for sharp-edged products like frozen meat).	2 6
Layer Composition	AL (7–9 μm) / Adhesive (3–5 μm) / PE (50–80 μm).	3
Temperature Range	-40°C to 121°C (retort sterilization and cryogenic storage compatible).	3 5
Roll Dimensions	Width: 200–1200 mm; core ID: 3"/6"; max roll weight: 100 kg.	2 6
Migration Limits	Pb ≤0.01 ppm, Cd ≤0.002 ppm; total migration ≤10 mg/dm² (FDA/EU compliant).	7 10
MOQ & Lead Time	MOQ 30,000 linear meters; production lead time: 15–25 days.	6