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Aluminum Foil Roll Film
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| Place of Origin | Guangdong,China |
| Brand Name | Bright Pack |
| Certification | patent for invention、BRC、GRS |
| Model Number | B010 |
OTR ≤0.8 Cm³/m²·day | UV Blocking >90% | For Freshness Retention
| Attribute | Description | Reference |
|---|---|---|
| Material Composition | Multi-layer coextruded or laminated structure (e.g., PET/AL/CPE, PET/EVOH/PE, or PA/AL/PP) with aluminum foil (6.5-12 μm) or metallized PET for enhanced barriers. | 7 13 |
| Oxygen Barrier (OTR) | Ultra-low OTR ≤0.8 cm³/m²*day (23°C, 0% RH) via aluminum/EVOH layers, preventing tea oxidation and preserving polyphenols. Complies with ASTM F1249. | 1 11 13 |
| UV Blocking | Blocks >90% of UV radiation (200-400 nm) using UV-absorbing additives or metallized layers, protecting tea from light-induced flavor degradation. | 3 9 13 |
| Moisture Barrier | WVTR ≤1.5 g/m²*day (38°C, 90% RH) via aluminum foil (≥7 μm) or PVDC coatings, maintaining tea moisture content at 3-5%. | 11 13 16 |
| Aroma Retention | Prevents aroma loss and external odor contamination through high-density molecular barriers and inert gas flushing (N₂/CO₂) during sealing. | 11 13 |
| Thermal Stability | Withstands -20°C to 120°C, suitable for hot-fill tea bags, retorting (121°C sterilization), and frozen storage. | 11 13 |
| Safety Compliance | FDA 21 CFR, EU 10/2011, and LFGB certified for direct food contact; BPA-free and heavy metal migration below 0.01 ppm. | 7 18 19 |
| Printability | Corona-treated surface (≥38 dyne/cm) supports high-resolution rotogravure/flexo printing (≤10 colors) for brand customization. | 7 13 |
| Parameter | Specification | Reference |
|---|---|---|
| Thickness | 70-150 μm (customizable; aluminum layer: 6.5-12 μm; tolerance ±3 μm) | 7 12 13 |
| Width | 250-1,200 mm (extendable to 1,500 mm for industrial rolls) | 7 13 |
| Roll Dimensions | - Core Size: 3" (76 mm) or 6" (152 mm) - Max. Roll Weight: 150 kg |
7 |
| Mechanical Strength | - Tensile Strength: ≥120 MPa (MD), ≥100 MPa (TD) - Puncture Resistance: ≥35 N - Seal Strength: ≥5 N/15mm |
3 13 |
| Optical Properties | - Transmittance: ≤5% (UV), ≥85% (visible light) - Haze: ≤3% - Gloss: ≥90 (60° angle) |
3 9 |
| Functional Options | Anti-fog, anti-static, or active freshness agents (e.g., oxygen scavengers, tea polyphenol-infused layers). | 4 13 |
| Sustainability | Recyclable mono-PP/PET variants (GRS-certified) or home-compostable PLA blends (ASTM D6400). | 3 12 |
| Supply Parameters | - MOQ: 300 kg - Lead Time: 15 days (standard), 30 days (customized) - Certifications: ISO 22000, BRCGS packaging. |
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