Specification and Chemical Composition(%)SpecificationQualifiedFirst gradePremiumAl(OH)3≥99.6≥99.77≥99.8SiO2≤0.1≤0.06≤0.01Fe2O3≤0.05≤0.03≤0.008Na2O≤0.40≤0.25≤0.20Whiteness>95>96>97Physical IndexMelting Point300°cShapeWhite PowderSpecific Gravity2.4g/cm3SolubilityInsolubleSize: 325mesh 800mesh 1250mesh 3000mesh 5000mesh 8000meshApplicationsUsed as water treatment, catalyst, and catalyst carrier, the flame retardant in resin, synthetic rubber, and plastic industry, in glass industry to increase whiteness, transparency, glossiness, and brightness, in production of waterproof fabric, printing ink, paper filler, wires, and cables, mordant in dye/painting industry for its strong adsorption capacity of coloring matter, ceramic material, the antisocial marble solid surface filler