Now in our lives, we often see PE stretch film and cling film. Many people will wonder, can PE stretch wrap film be used as a cling film? Both are transparent films in appearance, and both can be used at the same time. Used to bandage items. As a result, many consumers have no in-depth knowledge of PE stretch film and cling film, which makes it difficult to distinguish. Today we will take a look together:

 

Cling film is a kind of stretch film, but because it does not need as high self-adhesive performance as stretch film, the amount of polyisobutylene used will be less. Polyisobutylene is mainly used to increase product flexibility and self-adhesiveness.

 

Cling film is a kind of plastic packaging products commonly used for fresh food. At present, the main cling films on the market are: one is polyethylene. This material is mainly used for food packaging, such as fruits, vegetables, etc., including those purchased in supermarkets. All semi-finished products use this material.

 

The second is called polyvinyl chloride, this material can also be used for food packaging.

 

The third type is polyvinylidene chloride, which is mainly used for the packaging of some cooked foods. Since the plasticizers used in PVC cling film have carcinogenic effects, and the production cost of PVDC is too high, most of the domestic cling film tends to use PE as a raw material.

 

Stretch film, also called stretch film and heat shrink film, is the first domestic PVC stretch film to be produced with PVC as the base material and DOA as the plasticizer and self-adhesive. Due to environmental protection issues, high cost (relative to PE's high proportion, less unit packaging area), poor tensile properties, etc., it was gradually eliminated when the domestic production of PE stretch film was started from 1994 to 1995. The PE stretch film first used EVA as the self-adhesive material, but its cost was high and it had a taste. Later, PIB and VLDPE were used as self-adhesive materials. The base material is now mainly LLDPE, including C4, C6, C8 and metallocene PE (MPE).

 

Since pe stretch film is industrial grade and cling film is food grade, it is absolutely unscientific to use pe stretch film as cling film. And from the price point of view, the price of stretch film is much more expensive than that of cling film. It is very uneconomical to use stretch film instead of cling film.

 

PE wrapping film is suitable for logistics packaging, transportation packaging, industrial packaging and other industries, but it cannot be used to package our food, so if you directly use PE wrapping film to contact food, taking it for a long time will cause food poisoning, so PE wrapping film and The cling film we usually use to package food is different, so the cling film is made of green and environmentally friendly materials. It is normal to directly package food, but because of the different materials, the material used in the polyethylene wrapping film cannot directly contact the food, so the function is different.