When working with stiff or brittle products, we often need to determine their strength and resistance to bending forces. The three point bend test is a common and effective way to perform these tests. By supporting a material at both ends, then applying force at the midpoint, we are able to measure the material’s resistance to the bending force. This test is vital for determining the flexural strength and stiffness of a variety of materials, ranging from foods, such as candy canes and taco shells, all the way to construction or adhesion materials, such as glue.

TTC offers a variety of three point bend probes for testing:

Differences in hardness and brittleness, as well as the force required to break bonds, can be easily detected using the three point bend test with the TA.XTPlus Texture Analyzer.

What successes or challenges have you experienced with these three point bend tests? What else would you like to hear about? Let us know!

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