BORIC ACID 99.5%
Powder or Granular
Purity: 98%, 99.5%, 99.9%
Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak acid of boron often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. It has the chemical formula H3BO3 (sometimes written B(OH)3), and exists in the form of colorless crystals or a white powder that dissolves in water. When occurring as a mineral, it is called sassolite.
Specification
Item
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Index
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First grade
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Second grade
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Boric acid(%)
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≥99.5%
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≥96.5%
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Water insolubles(%)
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≤0.05%
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≤0.15%
|
Sulfate(SO4)(%)
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≤0.10%
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≤0.40%
|
Chloride(CL)(%)
|
≤0.01%
|
≤0.05%
|
Iron(Fe)(%)
|
≤0.003%
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≤0.005%
|
Appearance
Colourless or white odourless crystalline solid
Packing
25kg plastic woven bag, 22MT/20'FCL
Usage
It is chemical used for making ceramics, glazes, cements, wicks, food preservatives, special glasses; Also for leather dressing compounds for preparation of hides prior to tanning; Artificial precious stones; As flux in metallurgical industry, fire-proofing compositions and linings for safes; Also for pigments; Enamel paints, paper glazes, cosmetics, soaps, textiles, medicines, etc.
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