... all lines 2.obviosly separator 3.rading impeller device 4.we are plant and 13years experence 5.in stock SX-500 ... airflow classifier separator Airflow classifier Features1. It takes the grading impeller device, low speed and power, anti-abrade.2 ... silicon carbide, corundum, carbide, alumina, garnet, zircon sand, zirconia, etc.2. Non-metal mine: quartz, black lead, kaolin, carbide, mica, barites ...