|
| Brand Name: | Bright Pack |
| Model Number: | B010 |
| MOQ: | 100pcs |
| Price: | ￥0.02-0.11/pcs |
| Payment Terms: | T/T,Western Union |
| Supply Ability: | 200000pcs/day |
| Attribute | Description |
|---|---|
| Material Composition | 4-layer composite: BOPET (outer layer) for durability and UV resistance, aluminum foil (AL) for ultra-barrier protection, EVOH copolymer for oxygen blocking, and food-grade LLDPE (inner layer) for heat-sealing. Reinforced with an aroma lock valve to release CO₂ while preventing oxygen ingress. |
| Aroma Preservation | Patented one-way degassing valve maintains coffee freshness by releasing CO₂ from roasted beans without allowing external air to enter. |
| UV Light Blocking | AL layer blocks 99% of UV light (280-400nm wavelength) to prevent photo-oxidation and flavor degradation. |
| Nitrogen Flushing | Optional nitrogen-flushed packaging extends shelf life to 18-24 months by reducing residual oxygen to ≤1%. |
| Sustainability | LLDPE layer contains 20-30% post-consumer recycled content (GRS-certified); AL foil recyclable via dedicated streams. |
| Parameter | Specifications |
|---|---|
| Layer Thickness | BOPET: 12-18μm |
| Barrier Performance | - Oxygen Transmission Rate (OTR): ≤0.05 cc/m²/day - Water Vapor Transmission Rate (WVTR): ≤0.1 g/m²/day |
| Mechanical Strength | - Tensile Strength: ≥250 MPa (ASTM D882) - Burst Resistance: ≥4.5 kPa (ASTM F1140) |
| Valve Specifications | - Valve Diameter: 40mm - Flow Rate: 0.5-1.0 L/min (CO₂ release under 1 atm pressure) |
| Dimensions | - Standard Sizes: 250g (15×20cm), 500g (20×30cm), 1kg (25×35cm) - Custom Width: 150-600mm |
| Heat Seal Performance | - Seal Strength: 30-45 N/15mm - Sealing Temperature: 130-180°C (compatible with vertical form-fill-seal machines) |
| Certifications | FDA 21 CFR 177.1390 (food-grade), ISO 22000:2018, and BRCGS Packaging Materials Standard |
| Printing Compatibility | High-resolution flexographic/digital printing (up to 10 colors) on BOPET surface (≥52 dyne/cm corona-treated) |
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