... low . Three-layer Coextruded(rotating Haul-off)Water-cool Blown Film Lines Performance and Characteristics: It is used for blowing various ... , cooling water discharge, nip rolls, etc.three layers co-extrusion blown film machine is according to market to develop, and we ... of LDPE , HDPE, LLDPE, MLLDPE, PA etc. packing film. This type film has good barrier ability, moisture, damp proof, rain-proof ...