The Chinese English name is PULVISTALCI, which is a white or almost white, fine, sand free powder that feels greasy to the touch. Odorless and tasteless. This product is insoluble in water, dilute mineral acid, or dilute hydroxide alkaline solutions. Can be used for medicinal purposes. Talc has excellent physical and chemical properties such as lubrication, anti adhesion, flow aid, fire resistance, acid resistance, insulation, high melting point, inactive chemical properties