Place of Origin : Xingtai,China

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