3 layers REIFENHAUSER blown film extruder
Raw material most commonly used are low density polyethylene (LDPE) and High density polyethylene (HDPE). These are often used in blends with other polymers and additives.
| Machine Code | EX637 |
| Manufacturer | REIFENHAUSER |
| Year | 2002 |
| Number of layers | 3 |
| Overhaul/renovation | nEW Thickness control system KUNDIG and automatic air ring air ring of year 2015, PLC and HMI upgrade year 2013 , new screw and cylinders 2013 |
| Film structure | A-B-C |
| Material | LDPE, LLDPE , MDPE |
| Film Width (mm) | 1800 |
| Output (Kg/h) | 350 Kg/h |
| Extruder 1 Layer ref: | A |
| Screw diam | 70 |
| Description | Gravimetric dosing unit DOTECO 3 comp |
| Extruder 2 Layer ref: | B |
| Screw diam | 80 |
| Description | Gravimetric dosing unit DOTECO 3 comp |
| Extruder 3 Layer ref: | C |
| Screw diam | 70 |
| Description | Gravimetric dosing unit DOTECO 3 comp |
| Head description | Automatic Die |
| Die diam (mm) | 350 mm |
| Thickness controll system | YES automatic INNO PLAST |
| Bubble cage | yes |
| Panel for gussets | no |
| Take off unit | Oscillating |
| Corona treatment | YES Ferrarini Benelli |
| Web guide | Yes |
| Rewinder max reel diameter | 1000 |
| Rewinder description | MACCHI BO PLUS |
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