... cooling ring, IBC, bubble FFS Film Blowing Machine is used for producing tubular film. The film is applicable for heavy-duty packaging bags ... blown die, dual-lip cooling ring, IBC, bubble stabilizing device, multi-layer rotation take-off, corona treatment station, ... safety protection and startup protection.Film struction: 3 layers co-extruding A/B/CSuitable material: LDPE, LLDPE, HDPE, etcFilm width ...