Item Data
Grade A Grade B Qualified
(H3BO3)% Content ¡Ý 99.6-100.8 99.4-100.8 99.0
Matters insoluble in water % ¡Ü 0.01 0.04 0.06
Na2SO4 % ¡Ü 0.10 0.20 0.30
Chloride£¨Cl£©% ¡Ü 0.05 0.10 0.15
Iron(Fe)% content ¡Ü 0.002 0.003 0.005
NH3% ¡Ü 0.30 0.50 0.70
Heavy metals (Pb£©% ¡Ü 0.001 -- --
Properties: White or colorless, smooth crystals or powder, soluble in water, alcohol and glycerin.
Uses: 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.
Packing: NW:25Kg.Inner liner with double moisture proof films. Outside packing : various kinds of specification & form such as knitting bag and paper bag.
|
Home
