Items |
Indicators |
Testing method |
Film color and appearance |
Black, smooth |
GB/T1729 |
Viscosity (paint a 4 cups) S |
45-100 |
GB/T1729 |
Covering power g/m2 ≤ |
40 |
GA2—502—67 |
Fineness um ≤ |
30 |
GB/T1724 |
Drying time h |
Dry ≤ |
1 |
GB/T1728 |
Hard work ≤ |
12 |
Impact strength kg.cm |
50 |
GB/T1732 |
Adhesion level |
2 |
GB/T9286 |
Flexibility mm |
1 |
GB/T1731 |
Water resistance (24h) |
Remove the paint film after 2h |
HG2-510-67 |
Petrol resistance (90#) 72h |
No change in film |
HG2-510-67 |
Acid resistance (immersed in 40% H2S04 solution for 72 hours) |
No change in film |
HG2018-57 |