use in papermaking, paint ,rubber and special cables, plastic ,ink, food, medicines, cosmetics. porcelain and special ceramic. Calcined kaolin 1.Calcined kaolin have high whiteness, the average whiteness is 93 %, the best whiteness can reach 97%. Use in paper-making can increase whiteness of coated paper, partial substitute the titanium powder, can reduce costs. 2. High viscosity, up to 74%, good ...