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7 LAYER CO-EXTRUSION BLOWN FILM MACHINE
7 LAYER CO-EXTRUSION BLOWN FILM MACHINE
To make high barrier film, non PVC soft packing film
The 7 layer coextrusion blown downward water quench machine is used to make high barrier nylon and evoh film, high barrier PP film, non PVC soft bags, which is widely used in medical treatment, vaccum food packing, IV solution, intravenous injection bags, etc.
It is suitable materal of PE, PP, EVA, PA, and EVOH.
1. 7 layer co-extrusion
2. Blown downward warter quenched
3. 7 layer coextrusion pan stackable die head
4. Downward traction rotation oscillating
5. Computer centralized controlled system
6. Automatic winder with auto tension control
7. Computer centralized control system
| Model | SJ-7C-BL800 | SJ-7C-BL1200 | |
| Co-extrusion Layers | 7 Layers | 7 Layers | |
| Suitable Material | PA, EVA, EVOH, LDPE, LLDPE, mLLDPE | ||
| Max. Folding Film Width | 700mm | 1100mm | |
| Film Thickness | 0.035-0.20mm | 0.035-0.20mm | |
| Max. Output | 140kg/hr | 180hr/hr | |
| Screw Diameter | φ40/ φ45/ φ35/ φ35/ φ35/ φ45/ φ40 | φ45/ φ55/ φ40/ φ40/ φ40/ φ55/ φ45 | |
| Screw Ratio(L/D) | 28:1, 30:1 | 28:1, 30:1 | |
| Max. Screw Speed | 120r/min | ||
| Main Extruder Motor | 15/18.5/11/11/11/18.5/15KW | 18.5/22/15/15/15/22/18.5KW | |
| Mode of Bubble Cooling | Dual Lip Air Ring | Dual Lip Air Ring | |
| Water Cooling | Water Cooling | ||
| Mode of Reversing | 360o Horizontal Reversing Haul-Off | 360o Horizontal Reversing Haul-Off | |
| Width of Auxiliary Machine | 800mm | 1200mm | |
| Winding Mode | Full Automatic Winding | ||
Traction rotation haul off system downward
Automatic double winder
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