... waste,hard waste,denim clips and other cotton waste. This machine is the opener with automatic backing system. It is ... which can replace of wooden roll machine. main parameter1,output 120-150kg/hour2,qty of removing impurity 30%-40%3,roll diameter ... dust baskate 500mm6,press cotton pack 140*9.857,fan machine 1.5KW*2900r/m8,chain 19.5mm9,power 15- ... .65m×3.5teeth×8.5inch GM550 or GM400 opening machine