There are many kinds of shrink film materials, such as PVC shrink film, PE shrink film, POF shrink film and so on. So when choosing shrink film, how to choose the right shrink film material for their products? The following is a small series for you to share three different shrink film material applications, hope to help you in the choice.

PVC shrink film is made of PVC and a variety of accessories. It has the characteristics of good transparency, low shrinkage rate and high strength. The shrinkage rate can be freely adjusted according to user needs, strong operability, low shrinkage temperature, good stiffness, but the film toughness and cold resistance is not ideal, its main use is used as a label film. Because its processing and application process will produce harmful gases, do not meet the environmental requirements, so its application is increasingly affected.

PE shrink film in a sense is a PE blow plastic film, the difference is that the material formula and mold structure is more suitable for the orientation of the film, usually, the vertical shrinkage rate is much greater than the horizontal shrinkage rate, widely used in alcohol, cans, mineral water, a variety of drinks, textiles and other products one-way shrink packaging.

POF shrink film has the advantages of high gloss, good toughness, high tearing strength, uniform thermal shrinkage, suitable for automatic and high-speed packaging. POF is a multilayer co-extruded polyolefin hot film. LLDPE is used for the common intermediate layer and polypropylene (PP) is used for the inner and outer layers. It is made of three or more layers co-extruded and then made by a special double bubble synchronous bidirectional drawing process. Widely used in automotive products, plastic products, stationery, books, electrical appliances and other industries. In children's toys, circuit boards, MP3, VCD, crafts, picture frame and other wood products, daily necessities, food, cosmetics, canned drinks, dairy products, medicine, tape and other products industry also has a wide range of application value.

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