China Factory Supply Hot Sale Super Durable Antique Bronze Powder Coating Powder Paint for Artwork Sandblasting Copper Vein, Find details about China Powder Coating, Powder Paint from Factory Supply Hot Sale Super Durable Antique Bronze Powder Coating Powder Paint for Artwork Sandblasting Copper Vein
Test Item | Method | Standard | Target |
Gloss | 60°Gloss Tester | GB/T9754-1988 | +/- 5% |
Film thickness | Film thickness Tester | GB1764-1979 | 60um-70um |
Adhesion | Cross-cut Tester | GB/T9286-1998 | 0 Grade |
Film Hardness | Film Hardness Tester(Japan) | GB/T6739-1996 | 1H-2H |
Impact | Impact Tester | GB/T1732-1993 | 50cm*kg Positive Impact(According to Gloss) |
Mandrel Bend | 180°Bend | GB/T6742-1986 | 2mm-3mm |
Cupping test | Erichsen tester | GB/T9753-1988 | 5mm-6mm |
Color Difference | Color Difference Tester | GB/T11186.2-89 | Dark<1.5,Light< 0.5 |
Salt spray | Salt spray Tester | GB/T1771-1991 | 1000h |
Humidity Test | Constant temperature and humidity | GB/T1740-1979 | 1000h,Changes<1 Grade |
Bucholz Hardness | Bucholz Hardness Tester | GB/T 9275-1988 | ≥80(Length:1.15-1.2) |
Aging resistance | Xenon lamp test | GB/T1865-1997 | 1000h |
Surface | Visual | GB/T 9761-1988 | No Particle above 60um |
The distribution of Particle Size | Laser particle sizer | / | D(4,3) 35-40um |