Appearance | Viscosity (Pa.s 25 deg C),GB/T2794-1995 |
Ti Value GB/7123-1986 |
High-low temperature impact(100 deg C poach,-40 deg C per 5 times,GB/T-2786 | ultraviolet light resistance GB/10807-1989 |
Black liquid,without impurities | 3.8±0.5 | 1.1~1.5 | The appearance is unchanged, not debond | Not cracking,non yellowing |