... mixing. Coated powder would be sent to classifier to remove big particles.♦ The choice of coating agent and dosage ... coating cost reduce.♦ Classifier connected with coating machine can remove aggregate from coating effectively, and improve coated product quality and ensure ... , GCC, quartz powder, talc, wollastonite, PCC, white carbon black, alumina, magesite, magnesium hydroxide. Powder Coating Line