1.CONICAL DOUBLE-SCREW PLASTIC EXTRUDER. 2. Used in pipes, plates, special shaped materials, ... granulator line2. Delivery 15days after recyciving the prepaymentThe conical double-screw plastic extruder has the characters such as force extruding, high ... good plasticized performance, powder forming directly, etc. This extruder is equipped with self temperature controlling and vacuum exhausting devices ...