| Material Structure |
3-layer coextruded composite: Aluminum Foil (AL, ≥99.5% purity) + Adhesive Layer + Polyethylene (PE) sealing layer. Optimized for high oxygen/moisture barrier. |
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| 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). |
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| Certifications |
FDA 21 CFR Part 177 (food contact compliance), ISO 22000 (food safety), EU 1935/2004 (migration limits). |
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| Thermal Resistance |
Retort-safe up to 121°C; compatible with autoclave sterilization and frozen storage (-40°C). |
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| Surface Finish |
Matte or glossy options; supports 8-color Pantone® gravure printing (±0.1mm accuracy). |
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| Applications |
High-temperature retort food packaging (sauces, ready-to-eat meals), pharmaceutical blister packs, coffee/nut vacuum sealing. |
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| Sustainability |
Recyclable PE layer; optional 30% post-consumer recycled PE (GRS-certified). Complies with EU SUP Directive. |
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