... pressure 3.38CrMoAIA, Nitrogen treatment TF-105/75-1000 Double Layer Plastic Extruder Line consists of extruder multiplayer cast film head ... calendar, material-guide cooling edge-trimming machine(cool sheets then trimming)and traction rolling machine. PP, PS, PE(high density, ... low density) and equivalent sheets that are manufactured with TF-105/75-1000 Double Layer ...