... 2.It can ensure material more pure. 3.High efficiency and low price. Machine Features:The whole ... , three rows bearings guarantee every minute 3900 turn high-speed operation, ensure no vibration, disc stents unique ... : It can be used for kaolin, grey calcium powder, chemical raw material, coating, iron red pink material ... )22-3045-55Machine weight (kg)15003200 Super Fine Powder Grinder for Ash Calcium