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 plastic、PVC、PE、PP、EVA、ABS、epoxide resin、unsaturation resin、phenolic resin、urethane foam. It is also used in rubber Industry such as neoprene、polybutadienerubber、Buna-N rubber and paper、textile. In special plastic industry, it can replace diantimony trioxide and effectively prevent from smoke. It also can take the place of zinc chromate as primer、ceramics glaze、pesticide.
Package
Net weight: 25Kg, paper-plastic composite bag with PE film interlined, protect from damp and hook.
Chemical component