Both the cylinder and the screw of extruder are made of high quality  38 CRMOALA alloy steel through nitration and precision finishing with the best hardness and corrosion resistance .With scientifically designed ,this machine set has two heads for one extruder with such advantage as increasing production capacity ,saving energy ,labour and working area etc.

                 Model                                SJ-65FM-600            SJ-75m-700                       SJ-85FM-800
                 Screw diameter                55mm                          60mm                                   65mm
                 Screw ratio                         28:1                                28:1                                     28:1 
                 Screw speed                       10-110r//min            10-110r/min                         10-110r/min
                 Max output                           40kg/h                       55kg/h                                   70kg/h
                Max.film foliding width        550mm*2                 650mm*2                              750mm*2
                Single side film thickness  0.006-0.10mm      0.006-0.10mm                      0.006-0.10mm
                Main motor power                18.5kw                       22kw                                       30kw 
                 Total power                            30kw                        40kw                                        50kw
                Weight                                      2800KG                   3200KG                                  3800KG
                Dimension (mm)                4800*2200*3000    5000*2400*3200                 5200*2600*3400mm