... attracting moisture from the air and surroundings, dissolving at very low temperature, it is widely used in snow & ice melting, dust control, oil ... product is widely used in melting snow and preventing frostbite on roads, crossroads, parking lot, and squares etc.Usage:1.They are ... in highway,expressway,parking lot and port to melting snow and ice2.used as dryer ,as anti-fog,and antu-dust agent also ...