Product Name:Zinc Borate Heptahydrate
Type: Zinc Chloride;Zinc Borate Series
Chinese Name:七水硼酸锌
Molecular formula:2ZnO 3B₂O₃ 7H₂O
Molecular weight: 497.7358

Physical and chemical property
appearance: white crystal powder
relative density: 2.98
melting point: 960℃ 
toxicity:   1g/Kg
index of refraction: 1.36
grain diameter: figure
thermal analysis: figure

Use

Zinc Borate Heptahydrate reaches the peak of loss-heat at 242℃. Its unique character fits with special rubber and paint.

Package

Net weight: 25Kg, paper-plastic composite bag with PE film interlined, protect from damp and hook.

Chemical components

 

Items	Index
ZnO%	33.0～36.0
B2O3%	39.0～42.0
Surface water%	0.5
ignition loss%	24～26.5
Pb	5ppm
Cd	ND
Cr	ND