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To determine the interactions between the user and the final product, mechanical comfort is one of the criteria to take into account in order to make the right choice between performance and comfort.


Among the many tests that CTC laboratories can offer you, here are two examples of analyzes in mechanical comfort to characterize your products.


Measuring the longitudinal flexing compliance


The test consists of quantifying the perception of flexibility of the forepart of the shoe. 


The shoe is locked at the forepart using a special device. It is bent in its flexing axis. We record the force taken to obtain a 45° flex.
The result corresponds to the force expressed in N* at an angle of 45°.

* Newton.


Measuring the sole transfer coefficient


This method is used to evaluate shoe shock absorption capacity, more particularly for those aimed at use in sport.


The test consists of generating an impact at the base of the sole identical to the impact sustained in sports activities, and then recording the impact actually transmitted through the sole, i.e. that felt by the wearer.
The result represents the transfer coefficient, which is the ratio between the maximum acceleration perceived by the wearer and the maximum acceleration generated on the base of the sole. 

Our laboratory testing services


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