... phosphorus,chromium hydrochloric acid passivation) on the surface of steel sheet ( zinc-plated,aluminium-zinc plated,nickel plated,etc.) ... anti-erode performance of organism material .3. Coating adhesive force of color-coated sheet is strong , which keeps the color ... ASTM A653 , Z60-180/GB/T12754-91 etcBase PlateGalvanized sheet , Galvalume SheetThickness0.18-1.5mmWidth914mm,1000mm,1200mm,1250mm,1500mm ...