How to measure and analyse the texture of food, cosmetics, pharmaceuticals and adhesives.

Thursday, 9 July 2015

Texture Analysis in Action: the Bilayer Tablet Shear Rig

Bilayer Tablet Shear Rig BILAYER TABLET SHEAR RIG* (A/BTS)

Bilayer systems typically contain an immediate-release component in one layer and the extended-release component in the other layer.

However, the development and production of quality bilayer tablets is not without issues such as layer separation. The Bilayer Tablet Shear Rig provides the means to assess this problem. 

Bilayer tablet shear graph
Measurement of shear force to separate
components of a bilayer tablet

The bilayer tablet fits into the central cavity of a guillotine-type blade and is then compressed until the two components of the tablet are sheared apart. The shear force and distance to failure are measured.

Visual characterisation of the fracture surface is necessary to quantify the percentage of each fracture failure mode. This enables manufacturers to optimise their tablet formulations for adhesion of the two tablet components.


We can design and manufacture probes or fixtures for the TA.XTplus texture analyser that are bespoke to your sample and its specific measurement.

Once your measurement is performed, our expertise in its graphical interpretation is unparalleled. Not only can we develop the most suitable and accurate method for the testing of your sample, but we can also prepare analysis procedures that obtain the desired parameters from your curve and drop them into a spreadsheet or report designed around your requirements.

For more information on how to measure texture, please visit the Texture Analysis Properties section on our website.

TA.XTplus texture analyser with bloom jar The
TA.XTplus texture analyser is part of a family of texture analysis instruments and equipment from Stable Micro Systems. An extensive portfolio of specialist attachments is available to measure and analyse the textural properties of a huge range of food products. Our technical experts can also custom design instrument fixtures according to individual specifications.

No-one understands texture analysis like we do!

To discuss your specific test requirements click here...

Watch our video about testing of materials
 The Role of Texture Analysis in Pharmaceuticals

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