Borax Anhydrous
- Item : Borax Anhydrous
- 1.It also known as anhydrous sodium tetraborate .
- 2.Molecular formula : Na₂B₄O₇
- 3.Molecular weight :201.2193
- 4.Purity :99% - 99.9%
- 5.Appearance :White granular
Product introduction
Anhydrous Borax, an important inorganic compound, is chemically known as sodium tetraborate, with a molecular formula of Na24O7. It is a white crystalline or vitreous body, hygroscopic, and its melting point and density vary depending on the crystal structure. Anhydrous bax has a wide range of applications in various industrial fields, including the manufacture of high-quality glass, optical glass, ceramics, and enamel glazes; as additive in detergents, bleaching agents, cleaners, flame retardants, rust inhibitors, and adhesives; as a carrier of lubricants in metal drawing; as stabilizer and framework former in refractories; as a flux covering in metallurgy; as a retarder in cement and concrete; as a pH buffer in water systems; as an emulsifier in paraffin.
Main uses of anhydrous Borax:
Glass and ceramics industry: Used in the manufacture of high-quality glass, glass, ceramics, and enamel glazes.
Detergents and bleaches: Used as a component of detergents, bleaches, cleaners, flameardants, rust inhibitors, and adhesives.
Metal drawing and refractory materials: Used as a carrier for lubricants in metal drawing, and as aizer and skeleton former in refractory materials.
Metallurgical industry: Used as a flux covering agent, and as a solvent for non-ferrous metals and alloys .
Construction industry: Used as a retarder in cement and concrete, and as a pH buffer in water systems.
Other uses: Used as an emulsifier inaffin wax, and can also be used in the manufacture of welding fluxes and artificial gemstones, and as a material for enamel and porcelain glazes.
ITEM
Decahydrate
Pentahydrate
Anhydrous
Appearance
White Powder
99.5
99.5
99.5
(Na2B4O7.10H2O)
(Na2B4O7.5H2O)
(Na2B4O7.H2O)
B2O3, %≥
37-38
48.5
68
NaO2, %≥
16-17
21.5
30
Sodium carponate (Na2CO3) % ≤
0.1
0.1
0.1
Insoluble matter in water % ≤
0.04
0.04
0.04
Sodium Suitate (Na2SO4) % ≤
0.2
0.2
0.2
Sodium Chloride (NaCl) % ≤
0.03
0.03
0.03
Iron (Fe) % ≤
0.002
0.002
0.002
ITEM
Decahydrate
Pentahydrate
Anhydrous
Appearance
White Powder
99.5
99.5
99.5
(Na2B4O7.10H2O)
(Na2B4O7.5H2O)
(Na2B4O7.H2O)
B2O3, %≥
37-38
48.5
68
NaO2, %≥
16-17
21.5
30
Sodium carponate (Na2CO3) % ≤
0.1
0.1
0.1
Insoluble matter in water % ≤
0.04
0.04
0.04
Sodium Suitate (Na2SO4) % ≤
0.2
0.2
0.2
Sodium Chloride (NaCl) % ≤
0.03
0.03
0.03
Iron (Fe) % ≤
0.002
0.002
0.002
Note :The storage and transportation of anhydrous borax should pay attention to moisture-proof, avoid dampness, to prevent moisture absorption caking, and avoid with strong oxidants.
Sodium Borate Assay, %≥
Sodium Borate Assay, %≥
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