Superior Couplants – Outstanding Service – Lowest Price

Echo Ultrasonics Couplant Solutions Center: We are committed to providing the highest-performance, safest couplants and to helping you select the right couplant for every application. 50 years of developing and manufacturing the worlds leading NDT ultrasound couplants enable us to provide you with the most cost effective, highest performance, safest product for your application.

Ambient Temp.

Ambient temperature: Complete line of couplants with operating ranges from -60°F to 350°F

Specialty Application

Shear wave, high impedance & sensor couplants.


Powder Ultrasonic

Powder:  easily mixed in cold water in five minutes.  Ideal for travel, remote access test sites and to significantly reduce shipping cost.


High Temperature

Broadest range of high temperature couplants from -50° to  1250°F (-75 to 675°C+)



AUT Fluid Couplant with operating range up to 800°F/425°C




Echo is committed to providing the industry’s safest and highest-performing ultrasonic couplants at or below competitors’ prices. If you find a similar performance couplant at a lower price, we will beat that price by 10 percent.

News & Updates

Which Couplant to Select?

Echo couplants facilitate safe, reproducible inspections at temperatures from -200 F (-125 C) to 1250 F (675 C) and often reduce inspection time by eliminating re-application, viscosity collapse and evaporation/drying.

Need help selecting the right couplant? View our Quick Couplant Selection Guide.