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How to identify PET polyester film (1)-film supplier

by：POLYVA 2021-12-02

There are several ways to identify the film 1. Try stretching. After reaching a kind of film, first stretch it. Films that are not easy to stretch are BOPP, BOPET and BOPP, and those that are easy to stretch are CPP, PE, EVA, etc., and then check its appearance, such as gloss, transparency, and stiffness. Wait. 2. Appearance. Among the non-stretchable films, the colorless, transparent, glossy, smooth, and firm film is BOPP or PET. The jitter film emits a crisp sound is PET, and the one that becomes soft after being damp is BOPA; in the easy-to-stretch film Among the films, the transparent films that become milky white after kneading are PE and PP, the ones with poor transparency are PE, and the ones that are not easy to break during the stretching process are also PE, the ones that are easy to break are PP, and the ones that are soft to the touch are EVA. 3. There is another kind of burning. General films can burn after ignition, but polyvinyl chloride, polyvinylidene chloride, etc. are flame-retardant films. However, different films have the same flame properties and conditions during combustion. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!