... get highest coating rate; 2.High efficiency; 3.Low production cost; Powder Surface Coating Production LineProcess Features♦ Coating machine smallest ... coating agent get mixed in high-speed mixing. Coated powder would be sent to classifier to remove big particles ... time and also ensure purity.Applications Calcined kaolin, GCC, quartz powder, talc, wollastonite, PCC, white carbon black, alumina, magesite, ...