Борная кислота

Boric acid Purity:99.6% Molecular:H3BO3 Appearance: colorless microstrip luster of pearls three ramps or white crystal powder. Package: Double-lined or polyethylene bags, jackets composite plastic woven bags, packaging, weighing 50kg bag.Usage: no foul, dissolved : soluble in water, alcohol, ether and glycerol. The acidic aqueous solution was reaction.Application glass industry for the production of optical glass, acid-proof glass, organic boron glass senior glass and glass fiber, glass can be improved heat resistance and transparency, mechanical strength to shorten the time melting touch. Enamel, industrial ceramics used in the production of glazing, glaze can reduce the thermal expansion of glazing to reduce the curing temperature, thereby preventing and cracking from the glaze, improve products and the sheen fastness. The pharmaceutical industry for the production of boric acid ointment, disinfectants, convergence agents, or preservatives. Metallurgical Industry boron steel for the production of additives, cosolvent so boron steel with high hardness and good ductility rolling. Technical IndexesFirst gradeQualifiedBoric acid content % ≤ 99.60 99.60 Water-insoluble content%≤ 0.0100.010 Chloride (“cl”)content%≤ 0.050 0.030 Sulfate(SO4^2-,)content %≤ 0.10 0.03 Fe content %≤ 0.0020 0.0020