... SiO2: 35%~60%, Whiteness: 80%~100%, and have many grades, can be used in plastic, paint and costing, food,cosmetic industries Talc powder ... be used in many industries,such as plastic industry, paint and coating industry, food industry, cosmetic industry, etc. The ... 12μm~3μm Grades: Plastic grade, Paint and Coating grade, Rubber and Cable grade, Food grade, Cosmetic grade, Pharmaceutical grade ...