90/28 PP PE pelleting recycling extrusion screw barrel 

Parameter: Model:90/28 Name:pelleting screw barrel for PP,PE Guarantee:One year Barrel Heat Zone:4 zones Speed:60~90rpm/h Technical specification *We also can make screw barrel to meet your special request* Base materials 1.38CrMoAla(JIS SACM645) Alloy 1.Ni-based alloy/Deloro Stellite 2.SKD61 2.Tungsten carbide/Wolfram carbide 3.42CrMo(JIS SACM440) 3.NiCo-based alloy Stellite 4.DC53 4.Fe-based alloy 5.W6Mo5Cr4v2…