It is used for blowing PP,HDPE,LDPE tube which is widely used for packing food, garments, textile, daily necessities etc. Characteristics:It is used for blowing PP and also for blowing high/low density HDPE,LDPE tube which is widely used for packing food ,garments ,textile ,daily necessities and industrial products etc ,The cylinder and the screw of extruder are made of high quality alloy steel ...