Abrasive chemical and catalyst materials can increase wear on standard mixing and extrusion components, leading to reduced component life, higher maintenance costs, reduced data accuracy and reduced return on investment.
The new Chemical Kit gives Multi Lab and Mixer Torque Rheometer users a durable setup for tougher applications, with specialist mixer and extruder components designed to reduce wear and support reliable processing of difficult materials.

The Caleva Mixer Torque Rheometer, Multi Lab Scientific and Multi Lab Classic are increasingly being used for formulation development within the chemical industry, for applications including battery development, catalyst, carbon capture, ceramics and more. These types of materials tend to be more abrasive and tougher to process which can lead to increased wear of the consumable parts. Our team of engineers have developed a chemical kit to meet the demands of these more abrasive materials.
*Compared to standard Caleva mixer and extruder attachments


Designed for demanding chemical and catalyst applications where abrasive materials can increase wear and place additional strain on the motor.
Redesigned 304 stainless steel blades help to improve the component's lifespan, while the revised blade profile supports effective mixing and helps to reduce load on the motor.
When attached to a pump, the water jacketed bowl helps maintain an ambient temperature when processing heat-generating formulations.
Compatible with all Caleva Multi Lab Machines, the Chemical Mixer Attachment seamlessly fits the Multi Lab Classic (MLC), Multi Lab Scientific (MLS) and Mixer Torque Rheometer (MTR) without the need for additional modifications. The Chemical Mixing Attachment is also compatible with the original Caleva Multi Lab (CML).
The Chemical Screw Extruder is designed to support extrusion of tougher, more abrasive chemical and catalyst materials.
Using a twin-flight screw, the attachment helps generate a more consistent extrusion pressure, whilst the grooved auger tube increases friction to improve material transfer through the extruder. Both components are manufactured from 17-4 PH stainless steel to help reduce wear when processing abrasive formulations.
The grooved auger and twin-flight cam screw combine to improve the flow of tougher, more abrasive formulations, delivering a more consistent and reliable extrusion.
Compatible with all Caleva Multi Lab Machines, the Chemical Screw Extruder seamlessly fits the Multi Lab Classic (MLC) and Multi Lab Scientific (MLS) without the need for additional modifications. The chemical extrusion attachment is also compatible with the original Caleva Multi Lab (CML).
The Chemical Screw Extruder is compatible with standard dies, as well as trilobe and quadrilobe dies, which increase the surface area of extrudate, facilitating better mass transfer during catalysis.


The standard 1.0mm x 1.0mm die face is replaced by the 1.0mm x 4mm deep die face in the Chemical Kit, creating a longer extrusion path which increases the opportunity to create density within the extrudate.
Optional shaped dies, designed to increase the surface area of extrudate, support the creation of structured products that deliver the desired surface area, MOF length, extrudate density, pressure drop and mechanical strength in reactors.
When transferring a new technology from R&D into production, process flexibility and equipment adaptability are key. Caleva was a true partner, working with us to find a creative solution to a difficult engineering problem.
Erik Koep Chief Executive Officer at Worn Again
Caleva were extremely nice and knowledgeable through presenting new technology and reliable products that achieve our client’s needs and satisfaction.
Qusay Kareem Knowledge House Engineering Supplies
Using the CML and MTR in combination we’re learning a lot about our catalyst material. The machines are easy to use, and we have achieved very accurate measurements, giving us precise repeatability. The MTR has been a massive advantage in our research and we’re doing things with the material we didn’t think were possible. The speed and ease of use have allowed us to conduct numerous experiments in a single day - we’ve accumulated vast amounts of data to inform our scale up. Both the CML and MTR are manufactured to a very high standard and are very dependable.
IGTL Technology LTD
In pig iron manufacturing, the physicochemical properties, such as particle-size distribution, wettability, and porosity, of raw powders often vary. This results in a large variation in the optimum water content for wet granulation of fine iron ore powders. We have demonstrated that the optimum water content for wet granulation of fine ore powders can be determined using the MTR, even when the raw ore powders varied.
Dr Nakamura Osaka Metropolitan University
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