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Microscopically, the coating is a long empty structure. Water in the air, corrosive media (chloride ions, etc.) will invade through the weak part of the coating, causing corrosion under the film, and ...
(1) Epoxy primer: good adhesion to the substrate, good resistance to water, alkali and chemical corrosion, but its flexibility is not as good as other primers. (2) Polyester-Amino Primer: It has good ...
Coiled steel coatings must also withstand the problem of no paint film from processing to finished products and to the coating requirements of fast-running coating lines, including primers and topcoat...
Coil coatings generally consist of four basic components: film-forming materials (resins), pigments (including extender pigments), solvents, and additives. Coil coating is a continuous film that is ap...
In addition to the requirements for the conventional properties of the coating, the coated steel coating must also withstand the problem of no paint film from processing to finished product and the co...
Process inspection refers to the determination of whether an intermediate product or finished product completed by one or more processes (sequences) in the product formation process is observed, teste...
1 hot dip galvanized steel sheet. The steel sheet is immersed in a molten zinc bath to adhere a zinc-plated steel sheet to the surface. At present, it is mainly produced by a continuous galvanizing pr...
The use of color steel plate products knows that fire prevention is the biggest problem. The news about the fire of color steel plates can be described as a continuous stream. In fact, the most fundam...
