... used in plastic, paint and costing, food,cosmetic industries. talc powder is one of our main products, which has a very ... , food industry, cosmetic industry, etc. The specifications are as follow: Chemical SiO2: 35%~60% MgO: 30%~31% Al2O3: 0.3%~0 ... , Food grade, Cosmetic grade, Pharmaceutical grade, Paper grade, etc. talc powder