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.