Prepainted Steel Sheets – Category and Advantages of Finish Coats
2020年10月9日
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Category and Advantages of Finish Coats
A. Polyester
The finish coat of this kind has strong adhesive force,a va-riety of colors, wide scope of properties in formation and durability outdoors, moderate chemical resistance and low cost.
B. Silicon modified polyesters
The membrane of the finish coat of this kind has excellent rigidity, abrasion resistance, thermal resistance,good out-side durability, chalking resistance, high retention of color and luster,ordinary flexibility, moderate cost,etc.
C. High-durability polyester
The finish coat of this kind has excellent retention of color, resistance of ultra-violet radiation, strong outdoors du-rability, chalking resistance, strong adhesion to the base metal, plenty of colors and relatively lower cost compared to the same quality.
D. Polyvinylidene fluoride
The finish coat of this kind features in its excellent retention of color, the resistance of ultra-violet radiation, outdoor durability, chalking resistance, resistance to solvent, form-ability, good dirt resistance, finite colors, and high cost.
