... cooling ring, IBC, bubble FFS Film Blowing Machine is used for producing tubular film. The film is applicable for heavy-duty packaging ... as three-layer-coextrusion stacking-type blown die, dual-lip cooling ring, IBC, bubble stabilizing device, multi-layer rotation ... -line inspection, safety protection and startup protection.Film struction: 3 layers co-extruding A/B/CSuitable material: LDPE, LLDPE, ...