... waste,denim clips and other cotton waste. This machine is the opener with automatic backing system. It ... is our new products which can replace of wooden roll machine. main parameter1,output 120-150kg/hour2,qty of removing ... impurity 30%-40%3,roll diameter 400mm or 550mm4,rotation speed 1440r/m, ... 500mm6,press cotton pack 140*9.857,fan machine 1.5KW*2900r/m8,chain 19.5mm9,power ...