Coperion ZSK26 compounding extruder
Recycling pilots
Compounding and pelletizationProcessing trials on Coperion ZSK26 compounding extruder. Set up:
- Twin screw, co-rotating, intermesh
- 10-80 kg/h
- L/D 40
- Rpm 120 – 1800
- 3 + 2 Feeders, one side feeder
- String pelletizing
Added features
- N², Ventilation (degassing)
- Vacuum unit
- Liquid feeding
Nordson Melt filtration
- Continuous melt filtration
- Mesh flexibility
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Performance testing
Polymer characterization
- Volatile components
- Odour
- Head space, unknown components
- Molecular characterization
- Gels & polutions
- Visual inspection
Application processing
- Injection moulding
- C&C, Thin Wall, General injection moulding
- Film extrusion
- Blown film, Cast film, Sheet
- Bottles HIC (Household Industrial Chemicals)
- Thermoforming
- Appliances, Packaging
Application performance tests
- Std tests
- End-use tests (e.g. cap hinge performance)
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Processing trials and results
Processing results
- Torque
- Pressure
- Energy
- Melt temperature
- Output
- Flow characteristics
Process parameter optimisation
- Machine pressure, temperature and speed requirements
- Processability evaluation
- Material evaluations
- Evaluation of recycled material
- Quality improvement
- Tests at industrial relevant conditions
- Raw material quality and consistency
Test volume production
- Compounded PCW
- Modified PCW/PCR
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