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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 | 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 |