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Specifications & Feature:Modle No. 3L-Bair-2100 three-layer co-extrusion blown film line is an extra wide design for film width 2100mm. It is unnecessary to change screw even in the condition of changing different materials.Film thickness: 0.012-0.33mm Standard film width: 2100mm, the max. ouput: 520 kgs/hr (depends on materials)Screw diameter is available for A: o65 m/m B: o85 m/m C: o65 m/mThree-layer inner cooling type die: Combined with cooling air constant-temperature device, 24 hours fully automatic monitor and control. Effectively increases confirmative films.Remote monitoring interface unions photocell opeartion, it makes sizes be chaned easily and simply.Special designed horizontal 360 degree rotary take-up unit providing a smooth film surface, it makes follow-up procedure easily and reduces film loss.Back-to-back type fully automatic winding unit: Equipped slitting device, Constant-tension controller, Hydraulic unloading device.