... Motor22KW30KW37KWDie SizeØ150-250Ø250-300Ø250-350Mode of Bubble CoolingDual Lip Air RingDual Lip Air RingDual Lip ... , best hardness and corrosion resistance Useage: The blown film machine is mainly used in the production of high-density ... packaging films, composite-based film, shrink film, tire film, agricultural plastic film, cloth film which are widely used for making garbage bags, packing bags, ...