China Middle Rough Textured Antique Black Copper Hammertone Powder Coating Paint, Find details about China Powder Coating, Powder Paint from Middle Rough Textured Antique Black Copper Hammertone Powder Coating Paint
Aluminium | Chromate conversion |
Steel | Zinc phosphate |
Zinc coated steel | Zinc phosphate or chromate conversion |
Test Item | Test standard and Method | Test index | |
Impact resistance | GB/T 1732 -1993 | ISO6272 | 50kg·cm |
Adhension(cross-cut) | GB/T 9286 - 1998 | ISO2409 | Class 0 |
Flexibility | GB/T 6742-1986 | ISO1519 | 2mm |
Pencil hardness | GB/T 6739-1996 | ISO2815 | 1H-2H |
Cupping test | GB/T 9753-1988 | ISO1520 | 6mm |
Salt spray resistance | GB/T 1771-1991 | ISO7253 | >400 Hours |
Heat & humidity resistance | GB/T 1740-1979 | ISO6270 | >500 Hours,film gloss slightly lose |
Note: 1. Above test are using 0.30mm thickness degreased, rust removed cold rolling steel plate, film thickness is 60-80um. 2. Film performance may slightly decrease with gloss decrease. |