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ADD:Donglan Tuo Village, Wang |
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Wenzhuang Town, Xiqing District, |
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Tianjin, China |
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P.C:300383 |
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TEL:+86-22-23995346 |
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FAX:+86-22-23990742 |
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Mobile:+86-13920818696 |
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Tel/Fax:+86-22-86399961 |
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Sales/Service Tel:+86-15202298304 |
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URL:http://www.znso4.com |
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E-mail:xinxin@znso4.com |
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 Zinc Borate Heptahydrate |
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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: <LD50> 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
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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 |
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