solid powder coating

2016/10/25 13:47:47

Powder coating is different from the general coating, which is the state of the fine powder. Because of no use of solvent, it is called a powder coating. The main features of the powder coating are: it is harmless, high efficiency, saving resources and environmental protection features.

It has two major categories: thermoplastic powder coating and thermosetting powder coating.

Thermoplastic powder coating are composed of thermoplastic resin, pigment, filler, plasticizer and stabilizer. Thermoplastic powder coating include polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide, cellulose, polyester.

Thermosetting powder coating are made of thermosetting resins, curing agents, pigments, fillers and additives. Thermosetting powder coating include: epoxy resin, polyester, acrylic resin system.

Disadvantages: the edge angle of the powder is not uniform, after curing film defects difficult to cover up, curing conditions.

Classification standard, the name of various types of powder on the market is uneven. According to the properties of the film forming material is divided into two categories: thermoplastic powder coating and thermosetting powder coating. Or the appearance of film forming material is divided into: extinction type, high light type, art type, etc.. You can also press the use of the environment is divided into indoor and outdoor two categories.


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