Item | Index | Test mode |
Paint film color and appearance | Meet the standard template and its color difference range, smooth and smooth. | Visual inspection |
Gloss (60°) | 30~60 | 骋叠/罢1743-79(89) |
Fineness(um) | ≤40 | 骋叠/罢1724-79(89) |
Drying time | ≤1≤24 | 骋叠/罢1728-79(89) |
Hardness (pencil) | ≥贬叠 | GB/T6739-1996 |
Impact(kg*cm) | 50 | GB/T1732-1993 |
Pliability(mm) | ≤1 | GB/T1731-1993 |
Adhesive force | ≤1 | 骋叠/罢1720-79(89) |
Water resistance?168h | Does not bubble, does not fall off, allows the color to be slightly lightened | GB/T1733-1993 |
Salt water resistance 5%NaCl (500h) | No foaming, no rust, allow slight discoloration and loss of light | 骋叠/罢1763-79(89) |
Salt spray resistance(120h) | No foaming, no rust, no shedding | GB/T1771-1991 |