Aimil Ltd.


    Sub Group


    Malvern Instruments recognizes and supports industry’s continuing drive to optimize the products it produces and the processes it employs. The company provides a range of particle analysis and rheological instrumentation that delivers inter-related measurements reflecting the complexities of particulates and disperse systems, nanomaterials and macromolecules.

    Particle size distribution, particle shape information, zeta potential, molecular weight, chemical composition, and bulk materials properties can all be determined with the particle analysis instrumentation from the Malvern range. The company’s laboratory, at-line, on-line and in-line solutions are proven in sectors as diverse as cement production and pharmaceutical drug discovery.


    • Rheometer & Viscometer

Bohlin Gemini II Rheometer

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An advanced rheometer system incorporating Rotonetic 2 drive, patented, adaptive control technology which is optimized for both strain controlled and stress controlled operation.

Key technical features include a broad torque range which extends to 200mNm and makes the Gemini suitable for a wide range of applications in research and product development. A new high resolution torque mapping system applied to Bohlin's inherently low bias air bearing technology allows low torques to be set extremely accurately.

The Gemini system is available with the full range of EasySwap™ temperature controllers which include fully integrated peltier devices, a forced gas oven with optional liquid nitrogen cooling and electrical heating. This allows the Gemini II to be quickly and easily configured to allow testing on a full range of materials and applications including polymer melts, composites, fluids and semi-solids.

The Rotonetic 2 drive enables testing in all conventional strain and stress controlled modes including stress relaxation, creep and viscometric modes. Oscillation testing is available in either direct strain or stress controlled modes. Direct strain operation of oscillation allows preset strain amplitudes to be imposed upon the test sample without iteratively adjusting the stress on a cycle-by-cycle basis. Partial wave sampling enables rheological data to be gathered using just part of a full oscillation cycle. When used in conjunction with direct strain control, partial wave sampling makes low frequency testing far less time consuming and therefore more practical.



Rheological properties



  • Pharmaceutical & Bulk Drugs

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We are using Malvern Viscotek HTGPC system since 2012 and the system is working satisfactorily. The after sales service and application support from Malvern AIMIL is found to be satisfactory.

D A. Dhoble ,
Scientist, National Chemical Laboratory, Pune

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