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3.5H2O Zinc Borate
3.5H2O Zinc Borate

Zinc borate is an inorganic compound, a borate of zinca, it is a white crystalline or amorphous powder insoluble in water.

Project/level

ZB-2335(2ZnO.3B2O3.3.5H2O)

Excellent grade commodity 

First grade commodity 

Whiteness

  99

 95

Appearance water %≤

 0.5

 1.0

Particle size.um

 1~3

 3~5

Zine oxide ZnO.%

  37.0~40.0

Boron Oxide B2O3.%

 45.0~48.0

Weight loss on ignition

 13.5~15.5

Fineness(325 sieve residua)%

 0.1

Proportion. G/cm3

 2.67

Melting point °C

 980

Loss crystalline water temperature °C >

 320

Refractive index

 1.58

3.5H2O Zinc Borate

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