film blowing machine for blowing the plastic film as HDPE,LDPEand LLDPE film blowing machine is suitable for blowing the plastic film as HDPE, LDPE and LLDPE,which is widely used for packing foodstuff, garment, textile, daily-use articles and industrial products etc. Capability and Character:1. The screw stem and cylinder are made of 38CrMoAlA, a high quality alloy steel after fine finishing and ...