... drying, was boric acid. 2.. IndexItemSpecificationApperanceWhite powderBoric Acid (H3BO3),%99.6 minInsoluble matter in water,%0.06 maxSulfate (SO4),%0 ... of surface oxidation. It is also Boron raw materials. 5) Boric acid as a rust inhibitor, lubricant, and thermal ... as sodium borohydride, ammonium hydrogen borate, boron cadmium tungstate, potassium borohydride 4.Storage:Should be stored in a clean dry ...