Sodium Tetraborate Anhydrous
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Sodium Trtraborate Anhydrous
Molecular Formula: Na2B4O7
Molecular Weight: 201.22
Sodium Tetraborate Anhydrous
Molecular Formula: Na2B4O7
Appearance: White glass-like crystal
a: Orthorhombic, melting point 742.5 oC, density 2.28
b: Orthorhombic, melting point 664 oC, density 2.75
Soluble in water, slowly soluble in methanol, and can form the solvent of concentration of 13%-16%.
Usage: It can be used for prodcing high quality glass, optical glass and have the property of hear resistant. It also can be used in enamel industry and the fluxing agent on metal or alloy surface.
Specification:
Sodium Tetraborate Anhydrous: 95% - 98%
Sodium Oxide: 30% min.
Boron Trioxide: 66% - 68%