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.
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).
Printing & Branding	High-resolution flexographic printing; supports Pantone colors, metallic inks, and QR codes (FDA-compliant inks).
Seal & Closure	Heat-sealed top with tear notch; optional resealable zipper (tested for 500+ cycles).
Certifications	FDA 21 CFR 177.1630, EU 10/2011 food-safe, ISO 22000, RoHS.
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).

Product Specifications

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