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Thermosetting powder coatings are generally composed of resins, curing agents, pigments, fillers and additives. It is a kind of hard coating formed by adding crosslinking reaction curing agent to thermosetting resin as film forming material.

Good decorative, because the low molecular prepolymer can form network cross-linked macromolecules after curing, its corrosion resistance and mechanical properties are also very good. It is generally divided into four categories: thermosetting polyester powder coatings, thermosetting epoxy powder coatings, thermosetting polyurethane powder coatings and thermosetting cyclic polyurethane powder coatings.