... :PP,LLDPE, LDPE, PA, EBOH 2.Max. screw rolaion speed:110 DGJ-M Series Multi-layer Downward Blowing Water-cool ... 67.4x4.5x6.67.4x4.5x6.67.4x4.5x5.8Keyword:high speed plastic film machineryII.FunctionMuiti-Layer Downwatd Blowing Water-Cool Blown ... film and laminated packing materials with the good performance of barrier, sealing, transparency, photophobic, retort , keep fresh, heat sealing, printing. ...