How to Identify PET Polyethylene Film ?

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PET film is a kind of common plastic film material in electronics, adhesives, die-cutting, packaging and other industries. How to identify PET polyethylene film, from other plastic foil material?

1.    Stretching

Stretch the plastic film sheet, BOPP, BOPET, BOPA plastic film are non-stretching, but not like CPP, PE, EVA, TPU film are easy to stretch. 

2.    Appearance

Non-stretching film, BOPP and BOPET plastic film are transparent and glossy, smooth and firm. BOPET film will emit a crisp sound after vibrating. BOPA film will be soft after moistening. 

     Easy-stretching, transparent PE and PP film turn milky white after rubbing, which are poor transparency, PE film is not easy to break during the stretching process, but PP film is easy to break. EVA and TPU film are soft feeling.

3.    Burning

PVC plastic film sheet is self-extinguish when take away the fire, which one will be black heavy smoke and a special pungent odor.

PET plastic film is not self-extinguish, which one will be shrink which burning, and with heavy black smoke too. The burned PET film part is white and sour taste.

We POLYSAN company supplies kinds of polymer plastic film material, PVC film, PET film, EVA film, TPU film.