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Aluminum seal film is a sealing packaging material made from aluminum foil as the base material through processes such as coating, lamination, and slitting. It typically consists of a multi-layer structure including an aluminum foil layer, a heat-seal layer, and a printing layer, offering excellent barrier properties, heat resistance, and sealing performance. Aluminum seal film is fused to the container opening through electromagnetic induction or heat sealing, forming a secure seal that effectively prevents leakage, moisture ingress, oxidation, and contamination. It is widely used for sealing bottle mouths and cup openings in food, beverages, dairy products, pharmaceuticals, and daily chemical products, serving as an essential packaging material for ensuring product integrity and extending shelf life.
Main Characteristics of Aluminum Seal Film:
• Substrate Properties– Uses aluminum foil as the core substrate, offering good metallic luster and mechanical strength
• Multi-Layer Structure– Typically composed of multiple layers including aluminum foil layer, heat-seal layer, and printing layer, providing complementary functions
• Excellent Barrier Properties– Superior oxygen, moisture vapor, and light barrier properties, effectively protecting product contents
• Good Sealing Performance– Fuses with container openings through electromagnetic induction or heat sealing, forming a secure seal
• Strong Heat Resistance– Good heat resistance, suitable for high-temperature sealing processes
• Leak-Proof & Moisture-Proof– Effectively prevents liquid leakage and moisture ingress, ensuring product integrity
• Oxidation Resistance– Aluminum foil layer effectively blocks oxygen, preventing oxidation and spoilage of contents
• Easy-Tear Design– Can be designed with easy-tear features for consumer convenience
• Printability– Surface allows high-quality printing, enhancing brand presentation
• Wide Application– Widely used for sealing food, beverages, dairy products, pharmaceuticals, daily chemical products, and more
