Flexible films and pouches are commonly manufactured using materials such as polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), and polyamide (PA). These materials are often combined in multilayer laminates to achieve specific properties. For example, PE provides moisture resistance, PET offers strength and clarity, and PA enhances puncture resistance. Multilayer structures also improve barrier properties against oxygen, light, and contaminants. The selection of materials depends on the product’s requirements, including shelf life, protection, and storage conditions.
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