Aqualene is a new elastomer designed specifically for ultrasonic inspection applications. Unlike dry couplants normally used as an integral part of ultrasonic probes, this elastomer can be applied independently of the probe. Acoustic impedance of the new material is very nearly the same as water and its attenuation coefficient is lower than all other documented elastomers and many plastics. Applications for nondestructive testing include:
- Flexible couplant pads
- Low reverberation dry contact testing of thin wall material
- Low velocity delay lines
Aqualene dry couplant avoids the drawbacks of wet coupling when used on porous or refractory surfaces. Its use eliminates absorption by the material and avoids messy residues. Furthermore Aqualene may serve as a thermic insulator.
Aqualene couplant products are available in many sizes and thicknesses, and custom designs are also available.
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