... oxidation boron hydrate (B2O3, 3H2O), for white powder crystallization or three inclined shaft side flake crystallization, have satiny gloss, no ... Metal(Pb) 0.001--------5.Usage:Boric acid is used extensively for the glass industry, in particular E-glass fibers, ... the enamel, ceramic industry, products used to enhance the gloss and fastness. Can be used for medicine and wood preservation. Fungicides ...