Rheometry - Rotational & Capillary
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Rheometry - Rotational & Capillary

Rheology is the study of how materials behave when certain forces are applied to them. Rheometers can be used to measure how substances respond to forces such as shear stress and torsion and can help to solve problems in fields like geophysics and human biology. Rheometers are also used to measure semi-solids, suspensions and emulsions in industries such as pharmaceuticals, foods, cosmetics and consumer products, where such measurements can help predict shelf life under a range of conditions.

Rheology characterises material behaviour such as yield stress, kinetic properties, viscosity, modulus, creep and recovery. It is the most sensitive method for polymer characterisation, because flow behaviour is responsive to molecular weight or particle size distribution. Most rheometers belong in one of three categories; the rotational rheometer, the capillary rheometer and the extensional rheometer, with the rotational being the most commonly used.

ATA Scientific supplies a range of rheometers for various applications including the Kinexus series, ideal for the characterisation of fluid dispersions and soft solids from sensitive structures to rapidly curing systems. The series includes four models, each optimised for their intended applications;

  • Kinexus Ultra+ – the premium model optimised for advanced research applications.
  • Kinexus Pro+ – a high-end rheometer suitable for a variety of routine and research and development applications
  • Kinexus Lab+ – the new entry-level model designed to withstand the rigors of a busy quality control laboratory.
  • Kinexus DSR+ – the new Dynamic Shear Rheometer for asphalt (bitumen) testing.

We also offer the RH2000 bench top capillary rheometer. Available in both single bore or twin bore configurations and incorporating many of the features of floor-standing models, this compact rheometer provides most of the testing requirements of capillary rheometry.

The new Kinexus DSR is based on the world-renowned Bohlin DSRII asphalt rheometer; the industry standard dynamic shear rheometer for SHRP and AASHTO asphalt testing.

The KSV NIMA interfacial shear rheometer (ISR) which, unlike rotational rheometers, is able to measure the shear properties of fluid interfaces (gas/liquid or liquid/liquid).

At ATA Scientific we sell innovative instruments from leading manufacturers in the particle, surface, life and material sciences. Our suppliers include some of the world’s most well-regarded companies such as Malvern Panalytical, Phenom World, Biolin Scientific, Avestin, Jasco, Precision Nanosystems, Phasefocus and Nanolane.

Our scientific instruments are used by Universities, the CSIRO and by companies in a range of different industries including the pharmaceutical, polymer, chemical and mining sectors. We also provide our clients with long term support to ensure they get the best out of our products and services. Over the past 27 years, ATA Scientific has provided a range of technical services including operator training, preventative maintenance and instrument breakdown repair.

Looking for the most suitable analytical system for your project?

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