Attribute	Description
Material	Outer layer: Heavy-duty aluminum foil (7–12µm, puncture-resistant) + BOPET (40–60µm, UV-resistant); Inner layer: Food-grade PE (70–100µm, heat-sealable). Multi-layer structure ensures superior moisture/oxygen barrier 1 .
Structure	3–4 layers (Aluminum Foil + BOPET + Adhesive + PE) with reinforced seams and tear-resistant gussets for industrial use.
Surface Finish	Matte or glossy finish (customizable); anti-static coating optional (surface resistance ≤10⁹Ω) 1 .
Printing & Branding	High-resolution flexographic printing; supports Pantone colors, metallic inks, and QR codes (FDA-compliant inks) 1 .
Seal & Closure	Heat-sealed top with tear notch; optional resealable zipper (tested for 500+ cycles) 1 .
Certifications	FDA 21 CFR 177.1630, EU 10/2011 food-safe, ISO 22000, RoHS 1 2 .
Capacity	5lbs (2.27kg) to 50lbs (22.7kg); ideal for bulk coffee beans, nuts, dry fruits, and pet food.
Dimensions	- Width: 10–24 inches (25–60cm) - Height: 15–36 inches (38–90cm) - Gusset: 2–4 inches (5–10cm).
Packaging Format	Stackable flat-packed units; 50–200 bags/box (export-ready, shock-resistant) 1 .

Parameter	Details
Material Thickness	- Aluminum Foil: 7–12µm - BOPET: 40–60µm - PE inner: 70–100µm - Total thickness: 120–180µm 1 .
Barrier Performance	- Oxygen Transmission Rate (OTR): ≤0.3 cm³/m²/day - Moisture Vapor Transmission Rate (MVTR): ≤0.2 g/m²/day 1 .
Seal Strength	Heat seal: ≥5.0N/15mm (ASTM F88); side gusset seal: ≥4.5N/15mm 1 .
Temperature Tolerance	- Sealing range: 130–220°C - Storage: -30°C to 60°C (freezer-to-warehouse safe) 1 .
Abrasion Resistance	≥5.0 on Sutherland Rub Test (1,000 cycles, 5lb load) 1 .
Sustainability	Recyclable PE layer; REACH-compliant adhesives 2 .
MOQ	100 pieces
Additional Features	- UV-resistant outer layer (≤3% gloss loss after 1,000h xenon testing) - Anti-puncture design (withstands 50kg stacking load) 1 .

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