... The use of snowmelt agent process, the user can speed according to snowfall, ice thickness, temperature, traffic, etc. and flexibility grasp. Pre ... in the low remperature they can contimuously melt snow and ice.2.Environmental protective,and they can reduce the canker ... granule and flake5.The products is flameproof.Usage: snowmelt and ice removing of road, expressway, parking lot, aerodrome and port ...