... 2. Used in road salt,dryer 3.Direct manufacturer 4.Anti-fog,anti-dust and fireproof Usage: 1.They are widely used in ... melting snow and ice. 2.used as dryer ,as anti-fog,and anti-dust agent also fireproof agent. 3.Protective agent and refining ... in swimming pool to disinfection and so on. 8.As anti-freezing agent of beton ,and speedup harden beton 9.As ...