... grind plaste bottle,bottle cap,water pipe,plaste pots,etc.6.Less powder, low noise, low consumption. Technical data: ModelSWP-350SWP ... (mm)350300300350Rotary knife quantity(piece)3336Rotary knife length(mm)350400500600Fixed knife quantity(piece)2224Fixed knife length(mm)350400500600Grind ability(kg/h)250 ...