Boric Acid

Product Description

Product introduction Item Data Grade A Grade B Qualified (H3BO3)% Content ≥ *9.****0.8 *9.****0.8 *9.0 Matters insoluble in water % ≤ 0.*1 0.*4 0.*6 Na2SO4 % ≤ 0.*0 0.*0 0.*0 Chloride（Cl）% ≤ 0.*5 0.*0 0.*5 Iron(Fe)% content ≤ 0.**2 0.**3 0.**5 NH3% ≤ 0.*0 0.*0 0.*0 Heavy metals (Pb）% ≤ 0.**1 *- *- 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:***** liner with double moisture proof films. Outside packing : various kinds of specification & form such as knitting bag and paper bag.