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Packaging definition

Date:23-07-2021

Composite packaging is composed of two or more materials that are combined through one or more dry composite processes to form a composite package with a certain function. Generally can be divided into base layer, functional layer and heat seal layer. The base layer mainly plays the role of aesthetics, printing, and moisture resistance. Such as BOPP, BOPET, BOPA, MT, KOP, KPET, etc.; the functional layer mainly acts as a barrier and protects from light, such as VMPET, AL, EVOH, PVDC, etc.; the heat-sealing layer is in direct contact with the packaging material, which is adaptable and resistant to penetration Features such as LDPE, LLDPE, MLLDPE, CPP, VMCPP, EVA, EAA, E-MAA, EMA, EBA, etc.

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