Composite packaging bags are mostly used for food packaging: meat, rice, flour, liquid beverages, solid food, etc.


Composite packaging bags include center-sealed bags, three-sides-sealed bags, organ bags, zipper bags, four-sealed bags, eight-sealed bags, stand-up bags, and shaped bags


Composite roll film, automatic packaging roll film; also divided into container bags, vacuum bags, moisture-proof bags, high-temperature cooking bags, coffee bags, nozzle bags, tea bags, special-shaped bags, window bronzing bags—general transport bags, large Small and medium packaging bags, etc.




Composite packaging is two or more materials that are combined through one or more dry composite or solvent-free composite processes to form a composite package with certain functions. Generally, it can be divided into surface layer, functional layer and heat sealing layer. The surface layer mainly plays the role of aesthetics, printing, and moisture resistance.


Such as BOPP, PET, BOPA, KOP, KPET, MOPP, kraft paper, etc.; the functional layer mainly plays the role of barrier, light-proof, moisture-proof, etc., such as VMPET, AL, EVOH, PVDC, PA, etc.; the heat-sealing layer is in direct contact with the packaged items, It has the functions of adaptability, permeability resistance, good heat sealability, transparency and opening, such as LDPE, LLDPE, MLLDPE, CPP, VMCPP, EVA, EAA, E-MAA, EMA, EBA, etc.





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