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Couplant


The majority of NDT Testing applications require ultrasonic couplant to be used in order to faciltitate the transmission of sound waves between the transducer (testing equipment) and the piece being tested.



 

Overall Couplants are non-toxic gels, pastes or liquids.  Their use within Ultrasonic NDT is crucial as ultrasonic frequencies do not transmit adequately through "the air" and even tiny gaps between the transducer and the test piece/material can result in acoustic impedance, therefore inhibiting the testing procedure and the results.

Sonatest manufacture and supply a range of ultrasonic couplants covering a spectrum of end user requirements.

 


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