... of expensive flame retardant 3,good hot stabilit Introduction:Zinc Borate is one environmental-friendly halogen-free flame retardant. There are ... some formulations of XZnO.YB2O3.ZH2O, in which Zinc Borate with 3.5 hydrate is called ZB-2335 (2ZnO.3B2O33 ... widely used in plastic, rubber, coating etc fields.Applications: Zinc borate is directly used in PVC, PE, Polyolefin, Epoxy Polyamide etc ...