Zinc Borate 3.5H2O

Molecular formula 2ZnO 3B2O3 3.5H2O Molecular weight 434.68228 Physical and chemical property appearance: white crystal powder relative density: 2.67 melting point: 980 toxicity: <LD50> 1g/Kg index of refraction: 1.58 grain diameter: figure thermal analysis: figure Use At present countries over the world get interest in 3.5 Water Zinc Borate, and is widely used to manufacture plasticPVCPEPPEVAABSepoxide resinunsaturation resinphenolic resinurethane foam. It is also used in rubber Industry such as neoprenepolybutadienerubberBuna-N rubber and papertextile. In special plastic industry, it can replace diantimony trioxide and effectively prevent from smoke. It also can take the place of zinc chromate as primerceramics glazepesticide. Package Net weight: 25Kg, paper-plastic composite bag with PE film interlined, protect from damp and hook. Chemical component Items IndexZnO%3740B2O3 %4649Surface water%0.5ignition loss%13.515.5Pb5ppmCdNDCrND