Pipe joint for twin-screw extruder: can be used in twin-screw extruder which size is 30, 40, 50, 65, 75, 95 good quality Specifications:Material: 38CrMoAlAWe have many professors in designing pipe joint for you. We can make all kinds of plastic extrusion moulds according to customer`s need. High quality pipe joint for twin screw extruder