1.Bowl speed :900r/min. 2.Motor speed :1420r/min. 3.Used for mining and metallurgical industry. Main purposes: 1.Chemical industry: gy psum,ammonium,Glauber's salt,iron sulphate copper sulphate.nickel suphate.potassium chloride.axetic acid,borax,soda,rubber additive.dyestuff pigment,raw plastic,soap,fat,various resins and other chemical products. 2.Foodstuff industry: salt,monosodium glutam ate, ...