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Which materials are commonly used to manufacture Flexible Films and Pouches, and how do they affect durability?
A variety of materials can be used to manufacture Flexible Films and Pouches, depending on the product and required packaging performance. Polyethylene (PE) is commonly selected for its flexibility, toughness, and moisture resistance. Polypropylene (PP) can provide useful stiffness, clarity, and heat resistance for suitable applications. Polyester (PET) is frequently used as an outer layer in laminated structures because of its strength, dimensional stability, and printability. Additional barrier materials can be incorporated when higher resistance to oxygen, moisture, light, aromas, or other external factors is required. Multi-layer structures allow manufacturers to combine the properties of different materials to achieve the required balance of strength, flexibility, sealing performance, barrier protection, and appearance.
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