Mainly sold region: Japan, USA Grade: Paint; rubber; ink; cosmetic; pharmaceutical; porcelain grade Apllication: Rubber Coatin Talc is a composed of with the chemical formula 23(3)4 or 3410()2. In loose form, it is the widely used substance known as .It is and very soft, with a of 1,it has a of 2.52.8, a clear or dusty , and is translucent to opaque. Talc is not soluble in water, but it is ...