... clay GB-CK88B is specially designed for car paint with good extinction performance,high opacity,low density etc. Benefits and ... in automobile electrophoresis prime coat.As a calcined kaolin pigment,with the property of high brighness,excellent light scattering,fine particle ... film. It is stable and hard to sedimentate in electrophoresis tank.With low impuriy and good inertia,it can improve paint film ...