PET protective film is used a lot, PET protective film is adhesive, electronics, film cutting, packaging printing and other manufacturing industries are common a release material, what are the elements that affect PET protective film? Do you understand all? China's market demand is large, unknown to the domestic PET protective film due to the substrate and silicon coating technology backward, high-grade goods are still dependent on imports.

First, the substrate: PET release film is silicon release agent coated on the surface of PET film, the quality of the substrate immediately affects its use performance. Domestic PET film substrate in the thin thickness manipulation and heat shrinkage level lags behind overseas.

Second, the residual adhesion rate: residual adhesion rate, that is, the force of the release paper after the first peel, the second peel, the data obtained after measurement, the key to reflect the actual effect of silicone oil curing.

Third, the peel force: the size of the peel force immediately affects the characteristics of PET release film, the general national standard peel force size tolerance range is ± 15%.

Fourth, the production and processing environment: along with the gradual development of a variety of goods, quality and technical improvement, for PET protective film cleanliness level standards are becoming more and more stringent, especially the electronic film cutting manufacturing industry.

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