boric acid

الوصف

Product Name: Boric Acid Molecular Formula: H3BO3 Molecular Weight: *1.*3 Properties: White or colorless, smooth crystal or powder, soluble in water, alcohol and glycerin. Specification: Item Index Grade A Grade B Qualified Purity (H3BO3), % ≥ *9.****0.8 *9.****0.8 *9.0 Water Insoluble Matter, % ≤ 0.*1 0.*4 0.*6 Na2SO4, % ≤ 0.*0 0.*0 0.*0 Chloride (Cl), % ≤ 0.*5 0.*0 0.*5 Iron (Fe), % ≤ 0.**2 0.**3 0.**5 NH3, % ≤ 0.*0 0.*0 0.*0 Heavy metals (Pb), %≤ 0.**1 *- *- Uses: It is used for making ceramics, glazes, cements, food preservatives, special glasses; also for leather dressing compounds for preparation of hides prior to tanning; 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 ***** liner with double moisture proof films. Outside packing various kinds of specification & form such as knitting bag and paper bag.