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