3 layers BRUCKNER BOPP / BOPET extrusion machine
Biaxially oriented polypropylene (BOPP) and Biaxially oriented polyester (BOPET) are commonly produced in tender-frame lines. In these lines material is melted through a flat extrusion die (T-die) and solidified onto a cooled roller. Material is then stretched in machine direction in an MDO. Thereafter material is stretched in transversal direction in a TDO. These processes deliver a molecule orientation in both axes, this enhances many of their properties, particularly the mechanical, impact, barrier and optical properties.
| Machine Code | BO46 |
| Manufacturer | BRUCKNER |
| Number of layers | 3 |
| Film structure | ABA |
| Material | BOPP |
| Output | 1200kg/h |
| Width (mm) | 6000 |
| Extruder 1 Description | BARMAG 25E4/30D |
| Extruder 2 Description | BANDERA TR100X1 |
| Head description | SIMPLAS TYPE E13 LD |
| Die width | 830 |
| Chill roll unit | 2400mm diam with water bath |
| MDO description | BRUCKNER - preheating Thermoil/steam |
| TDO description | BRUCKNER - Preheating length:12m; Stretching length:15m; Total length: 35m |
| Pull roll unit | Treatments 1 side corona; 1 side Flame |
| Rewinder width | 6000 |
| Rewinder description | BRUCKNER - 1988 |
| Additional information | Film thickness 20-30; Speed: mechanical 140m/min ; in production 120m/min; Grinder: 1 inline grinder |
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