There are different names depending on the type of paint used, for example, the primer coat is called the primer coat, and the finish coat is called the finish coat. Generally, the coating obtained by coating is relatively thin, about 20~50 microns, and the thick paste coating can obtain a coating with a thickness of more than 1 mm at a time.

High temperature electrical insulation coating   
High temperature electrical insulation coatings can be divided into many types according to their chemical composition. For example, boron nitride or aluminum oxide or copper fluoride coating on the surface of graphite conductor still has good electrical insulation performance at 400 ℃. The enamel on the metal wire reaches 700 ℃, the phosphate based inorganic binder coating reaches 1000 ℃, and the plasma sprayed aluminum oxide coating reaches 1300 ℃, all of which still maintain good electrical insulation performance.

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