Microfine Industries offers White Hydrated Aluminium Silicate. Microfine Industries also offers Calcite, Dolomite, Barytes, Mica and China-Clay. The White Hydrated Aluminium Silicate, also known as China Clay, is used in paints, refractories, papers, plastics, sanitary wares, fiberglass, adhesives and ceramics. The White Hydrated Aluminium Silicate has specific gravity of 2.58 and refractive index 1.56. The White Hydrated Aluminium Silicate has pH of 7.50. The White Hydrated Aluminium Silicate has hardness of 1.00 and bulk density of 565 gms/litre.