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Zinc Borate
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Chemical name:
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Zinc Borate
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Formula:
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2ZnO·3B2O3·7H2O
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CAS Number: 1332-07-6
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EINECS Number: 215-566-6
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MW:
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497.68(2ZnO·3B2O3·7H2O)
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General & Use:
Plastics and rubber
Coating and adhesives
General Properties:
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Appearance: White crystal powder
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Oil Absorption, g/100 g: 24.5
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Refractive Index:1.58
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Specific Gravity @ 25 oC, g/ml: 2.7
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Physical and Chemical Properties:
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Item Model
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237
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B2O3 %
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40.0-43.0
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ZnO %
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32.0-35.0
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Surface water % ≤
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1.0
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Loss on ignition % ≤
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24.0-26.5
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Mean particle diameter µ m ≤
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5.0
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Thermogravimetric Analysis ( 10 oC /min N2)
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Weight Loss ％
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1％
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5％
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10％
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Temperature ℃
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160oC
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180oC
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190oC
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Solubility
Soluble in Chlorhydric acid, Sulfuric acid.
Insolubile in water,ethanol,acetone and benzene.
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