... 99 Usage:Granular anhydrous calcium urchloride can be used as drying agent for drying nitrogen,oxygen, ... and sulfur dioxide gases.It also can be used as dehydrating agent in producing alcohol,ester, ... mortar.It can be antifogging agent in harbors,dust collection agent of road surface,fire-proofing agent of ... the best flame retardant agent,which could be used in fields of preparing barium chloride,treating ...