(1)Colour: black/white

 (2)Average density: white mastic≥1400 ;black mastic≥1600 (kg/m3)

 (3)Fire Resistance: It cause no spark during construction, fire resistant after drying, and extinguishes in 1s after fire source taken away.

 (4)Heat Durability: No flowing and foaming (placed at the temperature of 95°C~120°C)

 (5)Frost resistance: No cracks or peeling off occur (exposed at -40°C ~+60°C for 2hrs)

 (6)Drying Time: It can be touched with fingers after 5hr, while it costs 6days to dry completely.