... h, mesh 20 to 80 3.Low noise, best price Plastic grinder,Plastic mill machine,Plastic Grinding MachinePurposeWe ... applicable to the powder processing of PVC plastic (Low to moderate hardness), HDPE and so on.The ... ±1mmTooth Plate1 set of 14 (High-quality alloy steel, the hardness of 55-58)Rotary Blade1 set ... of 28 (High-quality alloy steel, the hardness of 52-55)Main Motor Rev2970r ...