Prevent fire from which getting through, remedy the fire of international freeways, bridge and tunnel.
Asphalt pavement was constructed widely in domestic and international freeways, bridge and tunnel, with the good performance, such as no joints, surface formation of good, smooth ride, comfortable oriented, high degree of mechanization construction, progress rapidly, good quality, and simple maintaining. However, traffic tunnel fire was an international problem, and many countries of the world have been appearing very serious tunnel fire.
To remedy the above-mentioned disadvantages, the flame retardant asphalt is feasible to apply in tunnel through mixed appropriate multiplex flame retardants.
white mastic≥1400 ;black mastic≥1600
The water absorbed is less than 0.5%(by weight )after
It causes no spark during construction, fire resistant after drying,
and extinguishes in 1s after fire source taken away.
No flowing and foaming (placed at the temperature of 95°C~120°C)
No cracks or peeling off occur (suspended at -40°C ~+60°C for 2hrs)
It can be touched with fingers after 5hr,while it costs 6days to dry completely.
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