... hot stability 3.Used in rubber, plastic, cable, wood Flame retardant-Zinc Borate1.Basic Index Molecular formula2ZnO·3B2O3·3.5H2OMolecular ... oC>320Refractive index1.58 3.Application Field Flame Retardant ZB is inorganic addition flame retardant. Its characteristics are that it ... and vanishes smokings but also be used with other inorganic flame retardant. It is used in epoxy resin, unsaturated polyester, ...