Vimal Microns Ltd. Supplies Natural Barium Sulphate with High Whiteness, Vimcro Barytes. Vimal Microns Ltd. Is an ISO 9001 certified company. The Natural Barium Sulphate with High Whiteness also has high bulk density and inertness to both acids and also to alkalies. This is completely insoluble in water. It features high refractive index, low abrasiveness, low oil absorption, easy dispersion and higher temperature stability which make it applicable as extender. This can be applied in polymers, paints, drilling mud, construction chemicals, rubbers, papers and glass.