Duda Energy - borp1f borp1 Fine Powder Boric Acid H3BO3 99, 1 lb. (Packaging may vary) Description Boric Acid H3BO3 Industrial Grade - Minimum 99.9% Purity Industrial Grade - Minimum 99.9% PurityGranular boric acid is more dense, much like salt crystals. Powder boric acid is very fine.There are many uses of boric acid. Here are some examples:pH adjustment (pools)a way to fireproof fabricsflux additiveuse to add life to toolssteel hardeningpreservative for many materialseyewashointments. Features: Powder Form High Quality Boric Acid Anhydrous (Without Water) 99.9+% Pure Industrial Grade Strength Product Details: Brand: Duda Energy Item Weight: 16 Ounces Percentage assay: 99.9 Package Information: Bottle Item Form: Powder Package Dimensions ‏ : ‎ 7.09 x 6.77 x 2.2 inches; 1 Pounds Item model number ‏ : ‎ borp1f Date First Available ‏ : ‎ May 1, 2014 Manufacturer ‏ : ‎ Duda Energy Country of Origin ‏ : ‎ USA Best Sellers Rank: #25,726 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #27 in Chemical Acids #27 in Chemical Acids Customer Reviews: 4.4 4.4 out of 5 stars 594 ratings