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Mudanjiang Fengda chemical import and Export Co., Ltd

Oxalic Acid,Formic Acid,Sodium Formate,Calcium formate,Sodium,

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hot sales! low price! Borax 95%,99.5%min
Product name： hot sales! low price! Borax 95%,99.5%min
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hot sales! low price! Borax 95%,99.5%min

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Product Description

Synoym: Sodium tetraborate,pentahydrate Molecular Formula: Na2B4O7·5H2O,Na2B4O7·10H2O Molecular Weight:291.29,381.36 CAS No.: 12179-04-3,1303-96-4 Property: 1.Borax pentahydrate Colorless semitransparent crystal or white single slant crystal powder. No smell, taste salty, easily soluble with glycerin, water, slightly soluble in ethanol, not soluble in acid, water solution appears as alkaline. 2.Borax decahydrate White crystal powder. Effloresce in dry air. It’s easily soluble in water and glycerin, water solution is alkali. not soluble with alcohol and acidity. when heated to 100°C, loss 5H2O, up to 320°C, loss hydrate absolutely. Melting point:75°C. Specification: 1.Borax pentahydrate

B2O3

48.5%Min

Na2O

21.5%Min

SO4

0.061%Max

Cl

0.00015%Max

Fe

0.0003%Max

Water Insoluble Matter

0.013%Max

  2.Borax decahydrate

Na2B4O7·10H2O

99.5% Min

95% Min

CO2

0.1% Max

0.2% Max

Insoluble in water

0.04% Max

0.04% Max

SO42-

0.1% Max

0.2% Max

Cl-

0.03% Max

0.05% Max

                    Fe

0.002% Max

0.005% Max

B2O3

36.3% Max

36.3% Max

  Packing :Net each in 25kg plastic woven bag, lined with PE bag. Usage: 1.Mainly used for glass and porcelain enamel industry. In glass industry, it can enhance transparency and heat-resistant property. In porcelain enamel products, it can make enamel not easy to fall off and with luster. It also widely used in optics glass, glass fiber, colored metal as jointing agent, cohering agent for jewelry, printing and dyeing, detergent, refined gold, cosmetics, pesticide, fertilizer, borax soap, antiseptic, antifreeze, and in pharmaceuticals as disinfectors etc. It’s also one of basic raw material for making other boric compound.   2.Mainly used for glass and porcelain enamel industry. In glass industry, it can enhance transparency and heat-resistant property. In porcelain enamel products, it can make enamel not easy to fall off and with luster. It also widely used in optics glass, glass fiber, colored metal as jointing agent, cohering agent for jewelry, printing and dyeing, detergent, refined gold, cosmetics, pesticide, fertilizer, borax soap, antiseptic, antifreeze, and in pharmaceuticals as disinfectors etc. It’s also one of basic raw material for making other boric compound.


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