1.PP,PS,PE(high density,low density) Sheet. 2.good plastify result,stable pressure 3.38CrMoAIA, Nitrogen treatment TF-105/75-1000 Double Layer Plastic Extruder Line consists of extruder multiplayer cast film head (extruding moulding plastic sheet), three-roll calendar, material-guide cooling edge-trimming machine(cool sheets then trimming)and traction rolling machine. PP, PS, PE(high density, low ...