... , aluminum, bauxite, manganese ore, iron ore, copper ore, phosphate rock, iron oxide red, zircon sand, slag, water granulated slag, cement ... rock, Diego rock, basalt, gypsum, graphite, silicon carbide, etc. Mohs hardness below 9.3 and humidity of 6% of the various non-explosive ... with the air flow into the cyclone powder collector, carried out of the powder from the discharge port, air return fan ...