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What is the production process of Pet protective film?

by:SYJ     2021-07-16

pe material This is a chemical material, the full name is polyethylene terephthalate. A transparent film made by the condensation polymerization of terephthalic acid and ethylene glycol. Like the cola bottles we often see on the market, this one is made of pet material.

Let’s follow the editor to learn about the specific production process of pet protective film

First of all, we need to make the base material of pet protective film through a blow molding machine or a casting machine;

The second step is to corona treatment on the surface of our substrate to form reactive groups, forming a layer of very small pits on the surface of the substrate to enhance the adhesion of the surface;

< /p>The third step is to configure the glue;

The fourth step is to apply the configured glue to the surface of the substrate we produced before using a coating machine, and then dry;

After the fifth step is drying Rewind the protective film;

The protective film rewinded in the sixth step needs to be cured;

Then you're done.

In the final analysis, the pet protective film is a protective film made by using a pet substrate as a carrier and then coating glue on one side.

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