Sodium borate.

Appearence:Powder

Purity:98% min.

B2O3:45.0-49.0

Application:It is better flam retarding effect and can replace antimonous oxide.Flame Retardant zinc borate is inorganic addition flame retardant. Its characteristics are that it has good hot stability, and not only stops buring and vanishes smokings but also be used with other inorganic flame retardant. It is used in epoxy resin, unsaturated polyester, polyurethane, etc. And it is widely used in rubber, plastic, cable, wood,etc