Product Description Big screw diameter mix extruder, special screw structure, cycle water cool for screw, It is melt sufficiently for PVC material in lower temperature. Special die structure, it neither, mandrel and distributor shuttle type. It more suitable PVC extrude, not dead angle, distribute uniformity. The die is heated and refrigerate by the cycle oil. Avoid the disadvantage of other heat type. It is easy for control the temperature. Red radial porcelain heater, control by PVM, the temperature uniformity. The second tow roller is silicon rubber, it can endure high temperature and to be eroded. Rotate winder, the film roller is level up and not heave and etc.