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What industry are composite packaging bags often used in?

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composite packaging refers to the combination of two or more materials through one or more dry composite processes to form a composite packaging with certain functions. Generally, it can be divided into base course, functional layer and heat sealing layer. The base course mainly plays the role of beauty, printing and moisture resistance. Such as BOPP, BOPET, BOPA, MT, Kop, kpet, etc; The main functions of the barrier layer, such as VMDC, Eval, etc; The heat sealing layer is in direct contact with the packaged goods, which has the functions of adaptability, permeability resistance, good heat sealing, transparency and opening day, such as LDPE, LLDPE, mLLDPE, CPP, VMCPP, EVA, EAA, e-maa, EMA, EBA, etc
composite packaging bags are widely used. In addition to being widely used in the food industry, they are also brilliant and widely used in the pharmaceutical packaging industry.

the peculiar smell of food packaging bags mainly comes from printing ink and ink solvent or composite adhesive and composite adhesive solvent, but some come from the inner membrane of composite packaging. There is also the problem of technology

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