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High Temperature Ultrasonic Couplant

Preventing inspector injury, facility shutdown and the risk of igniting explosive gases, Echo Ultrasonics has the most complete offering of high temperature ultrasonic couplants for flaw detection and thickness gauging UT inspections over 350°F.

Low to Intermediate Temperature Couplant

Echo Ultrasonics offers a comprehensive range of UT couplants suitable for ambient to intermediate temperature inspections, including options for elevated-temperature applications.

Fluid Ultrasonic Couplant

Echo Ultrasonic offers the broadest range of fluid UT (Ultrasonic Testing) couplants for AUT (Automated Ultrasonic Testing) inspections available on the market today, meeting your specific viscosity, temperature range, and water solubility requirements to ensure compatibility and quality performance.

Phased Array and Wedge Couplants

Reliable coupling of transducers to the inspection part and the transducer to the wedge is critical technology to insure reproducible results and to eliminate recoupling probes to wedges during an inspection. EchoPure, Signal and Forever Wedge ultrasonic couplants are the solution for phased array inspections.

Special Application Couplant

Special Application Couplants: For difficult inspections that require high acoustic impedance, shear wave, reduced surface noise or extended service life for sensors, we have the right couplant.

EchoMiX® Single Powder Couplant

EchoMiX Single powdered UT couplant provides a trusted solution for travel, remote access inspections, and storage limitations.

Pumps and Pails 

Couplant Selection Chart

All Echo Ultrasonics® couplants have been formulated with operator safety and environmental regulations as a priority.