Basic information polyurethane (English name) : PU polyurethane, Chinese name: polyurethane; In Chinese, polyurethanes, also known as polycarbamates, are macromolecular compounds containing a duplicate carbamate group (NHCOO) in their main chain. It is composed of organic diisocyanate or polyisocyanate and dihydroxyl or polyhydroxyl compounds. In addition to carbamate, polyurethane macromolecules can also contain ether, ester, […]
PET protective film is a new type of plastic protective film, which has a good protective effect on LCD screen, mobile phone screen, glass cover plate and so on. It improves the beauty of glass products sales as a whole, and plays a protective role on the surface cleanliness of glass products. First, the high […]
The Dyne value of membrane material refers to an index of the adsorption effect of the surface of the material, which can reflect a key parameter of the adhesion of the membrane material. Generally, the corresponding value of the Dyne pen can be used for detection. Dyne pens come in a variety of Dyne values, […]
There are three reasons for the static electricity generated by PET protective film. One is the static electricity generated by the contact between the pet protective film and the adhesive, the other is the static electricity caused by friction when our pet protective film is torn apart from the release film, and the other is […]
In our daily life, rainbow stripes are very common in the protective film, because the pet protective film is caused by the hardening treatment, because the hardening treatment needs to go through a high temperature, a high temperature will make the molecules on the surface of the pet protective film show a dispersed state, and […]
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