Material Composition Multi-Layer Structure: Typically comprises BOPP (Biaxially Oriented Polypropylene), PET (Polyester), VMPET (Vacuum Metallized PET), NY (Nylon), and PE (Polyethylene) layers Common configurations include BOPP/VMPET/PE, PET/VMPET/PE, or PET/NY/PE for optimal barrier properties. Functional Coatings: Scratch-proof gloss/matte finishes (e.g., acryl-coated BOPP) enhance durability and visual appeal Printing Technology High-Definition Custom Printing: Supports up to 8-color automatic gravure printing (CMYK extended), enabling complex logos, barcodes, and nutritional information Food-Safe Inks: Compliant with ISO 22000 standards, using non-toxic, BPA-free inks suitable for direct food contact Barrier Performance High Oxygen & Moisture Resistance: Engineered to extend shelf life by preventing oxidation and humidity ingress Leak-Proof Sealing: Ensures integrity against oil/fat migration from protein bars Safety & Compliance Certifications: FDA/ISO certified for food safety; recyclable and BPA-free Tamper-Evident Features: Optional child-proof zipper or anti-tamper seals for product security Product Specifications Thickness: 20-180 microns (customizable based on barrier requirements) Width: Adjustable from 320 mm to 1,800 mm to fit various packaging machinery Roll Length: Minimum 2,000 meters per roll (±50 service meters per splice) Core Size: Standard 3-inch (76.2 mm) cores for seamless integration with auto-wrapping machines MOQ (Minimum Order Quantity): 300 kg per design/configuration Shelf Life: >12 months under standard storage conditions (dry, <25°C)
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