Sodium Borate Na2B407 ￣98

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Sodium Borate Na2B407 ￣98

禆鳼儚殥膱?鵨鋹蜼

Sodium tetraborate

Content of sodium borate,ㄔ￣98

1330-43-4

Uses:Sodium Borate is mainly used in the manufacturing high quality glass, optical glass, glaze of pottery and porcelain, glaze of enamel, detergent, bleaching agent, cleaning agents, flame retardant, rust inhibitor and caking agent﹝It could be also used as the supporter of the lubricant used in metal wiredrawing, the stabilizer and skeleton former in refractory material, the wraping-flux in metallurgy, the set retarder of cement and concrete, the buffer of PH value in water system and emulsifier of paraffin.

Content of sodium borate,ㄔ￣98
Diboron trioxideㄔ￣66-68
Physical and chemical properties:
1.1 Molecule formulaㄩNa2B4O7
1.2 Molecule weightㄩ201.22
1.3 Structural formulaㄩ

1.4 Melting pointㄩ 742.5﹎(for orthorhombic crystal A)664﹎ (for orthorhombic crystal B)
1.5 Densityㄩ 2.28 (A orthorhombic crystal) (B orthorhombic crystal)
1.6 Propertiesㄩ Its hygroscopicity is extremely strong. It is dissolved in water. It can be slowly dissolved in methanol and formed a solution of 13-16ㄔ concentration

Industrial field

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