... -type blown die, dual-lip cooling ring, IBC, Three-Layer Coextrusion Heavy Duty Blown Film Line is used for producing ... , dual-lip cooling ring, IBC, bubble stabilizing device, multi-layer rotation take-off, corona treatment station, central-guide friction and ... struction: 3 layers co-extruding A/B/CSuitable material: LDPE, LLDPE, HDPE, etcFilm width (guessting diameter): Max. 600mmFilm thickness: 120- ...