CF-AN Coupling Fluid

CF-AN is a corrosion-preventing couplant for non-destructive testing and thickness measurement with ultrasonic waves.

Coupling fluid facilitates the transmission of ultrasonic waves from a transducer/probe into the test material. CF-AN Coupling Fluid is necessary because the acoustic impedance mismatch between air and solids. Without couplant nearly all of the energy is reflected and little is transmitted into the test material. Even an extremely thin air gap between the transducer/probe and the test material will prevent efficient sound energy transmission and make conventional testing impossible.The couplant displaces the air and allowing sound energy into the test specimen so that a usable ultrasonic signal can be obtained.

Optimal transmission requires an ultrasonic couplant without air bubbles that can reflect, scatter, and attenuate sound waves.

The  temperature range of the CF-AN Coupling Fluid is -5 to 97 ºC.