LAB EXTRUDERS | MACHINERY
Starting small: advances in laboratory extruders
Recent developments in lab extruders include a table-top model with a camera system, an upgraded cast film line and lab-scale compounders for formulation development
Creating new film formulations and running them at small scale makes perfect sense – especially as a full-sized line will consume large quantities of time, money and material. For this reason, starting small is a wise approach. At K2025, Farrel Pomini will exhibit its CPeX
Laboratory Compact Processor – a lab-scale processor that uses the company’s continuous mixing technology. With a nominal throughput of 30 kg/hour, it enables rapid product development, application testing and time-to-market reduction, says the company. Being supplied with both standard and XL rotor configurations – the first time this has happened on a single machine – allows for maxi- mum flexibility of testing parameters and the ability to evaluate performance, says the company. While the standard rotor is for all-purpose mixing and compounding – and is standard for concentrates – the XL rotor is for special applica- tions and temperature-sensitive materials. Other key features include: fully integrated wiring and piping that is ‘connect and go’ and suitable for any industrial voltage; single-screw flex wall volumetric feeder; and Scada functionality for remote analysis.
Small size Feddem will present its Fed 18 MTS lab-sized twin-screw extrusion at K2025. With the Fed 18 MTS, Feddem is expanding its
extruder portfolio with an extra size. The lab extruder is designed to meet the requirements of formulation and product development and enables precise,
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reproducible results in a small space. The modular design allows flexible adjustment of the process length from 32 L/D to up to 52 L/D – without changes to the frame, cooling system or control system. All supply lines are pluggable, dosing devices
are integrated into the extruder in a space-saving manner without additional racks and can be easily moved to the side for maintenance and cleaning, says the company. This allows the extruder to be quickly converted and used in many ways. Optional add-on units such as the FSB side feeder or FSV side vacuum degassing provide practical scale-up options. It recently supplied a model to Polyram of
Germany, as part of a lab modernisation project. It will mainly be used for the development and quality assurance of thermoplastic elastomers (TPEs).
Making a mark Labtech of Thailand recently launched the Mark II version of its lab-scale single-layer cast film extrusion line.
It combines the LCRX-300/Mark II cast film unit
with a Lex25-30/Mark II single-screw extruder. The company says it offers several advantages over the previous model, including: a space-saving design to maximise workspace efficiency; cost reduction
September 2025 | FILM & SHEET EXTRUSION 31
Main image: Farrel Pomini will exhibit its lab-scale CPeX at K2025
IMAGE: FARREL POMINI
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