| Core Technology |
Triple-Layer Vacuum Barrier: PET (12µm)/Al foil (9µm)/LLDPE (50µm) with nano-sealing coating
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| Tamper-Evident Feature |
Dual-Zipper Lock with Void Seal: Shows irreversible "OPEN" text upon tampering
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| Child-Resistant Mechanism |
Push-Twist Lock System: Requires simultaneous 5N downward force + 2.5Nm torque rotation
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| Oxygen Barrier Performance |
<0.5 cc/m²/day (23°C, 0% RH) via aluminum foil composite layer
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| Seal Integrity |
Vacuum Heat Sealing: Leak-proof under 0.08 MPa pressure (ASTM F1140)
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| Material Safety |
FDA 21 CFR §174.5 compliant; ROHS-certified (Pb<90ppm, Cd<75ppm)
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| Shelf Life Extension |
**≥270 days** for spicy chicken feet (acid value ≤1.5mg/g, GB 5009.229)
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