Boric acid 99.6%    GB530-90

Content of H3BO3%      99.6% min

B2O3      56.5% min

Water insoluble matter    0.01% max

Sulfate(as SO4)%   0.10 % max

Chloride(as Cl)%    0.05 % max

Fe% 0.002% max

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.