Boric acid is used to make textile fiberglass for tire cord, toreinforce certain plastics and tapes, and for home curtains. It is alsoa fire retardant in cellulose insulation, a raw material for sodiumborohydride (a paper bleaching agent), and a raw material for boronfibers used for high-strength composites. It is also an environmentally friendly preservative for wood and a corrosion inhibitor. Boric Acid Granular Technical Grade WC Code: 02-011-002 Sales Specification H3BO3: 99.6% Min B2O3: 56.2% Min Cl: 0.04% Max SO4: 0.04% Max Fe203: 0.001% Max Packing 25 Kg bag, 42 bags per pallet