Twin-screw extruder, top equipment

Coperion GmbH ZSK 26 Mc18 40L/D

Laboratory Twin Screw Extruder – Coperion ZSK 26 Mc18 (40 L/D) with a 26 mm screw diameter

Featuring all the characteristics of the ZSK Mc18 series, this extruder is ideal for formulation development and compound sampling, as well as for manufacturing small compound batches of up to approximately 180 kg/h.

Compared to the previous model ZSK 26 Mc, the new laboratory extruder enables throughput increases of up to 100%, owing to the torque having been increased to 15 Nm/cm³.

The extruder is mobile and space-saving as the control cabinet is integrated into the machine’s base frame. Heating and cooling systems are installed and operational (plug & play).

Machine No.: 20526471
Year of manufacture: 2012
Operating hours: approx. 30,000 h
Condition: Used, in operation

Technical specifications:
Extruder type: Twin screw extruder
Model: ZSK 26 Mc18
Process length: 40 L/D
Drive power: 36.9 kW
Power supply: 3 × 400 V (−10 % / +6 %), 50 Hz ±2 %
Barrel configuration: E-0-0-S-0-0-1-0-V-0

Output: approx. 150–200 kg/h, depending on formulation, raw material, and required product quality

Applications: Highly filled compounds, masterbatch applications

Suitable for processing: LLDPE, LDPE, HDPE, PP, PPR, PS, ABS, PET, and biopolymers

Scope of delivery

Gravimetric feeding system:
- K-Tron gravimetric feeders
- 1 × pellet feeder
- 1 × powder feeder (twin screw design)

Side feeding / degassing:
- 1 × side feeder ZS-B25
- 1 × vacuum side degassing unit ZS-EG25

Vacuum system: Busch vacuum pump Plastex MI 0120 B 222 CNX6, specifically designed for PET applications. Please note: Vacuum pump is not included.

Process monitoring:
- Melt pressure sensor system
- Melt temperature sensor system
- PLC integration

Pelletizing system (strand pelletizing):
- Air dryer unit not included
- Strand pelletizer SP50
- Water bath

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Peripheral equipment:
- Bag emptying station for pellets
- Conveying system to the feeders

Spare parts:
- Spare parts included, second screw set.

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