Couplant Selection Chart
View Our Couplants Charts
All Echo Ultrasonics® couplants have been formulated with operator safety and environmental regulations as a priority.
Ambient Temperature Couplant Comparison
Couplant | Key Benefits | Viscosity | Temperature Range |
Corrosion Characteristic |
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SuperSoniX™ |
|
Medium and High |
-10 to 220°F -23° to 104°C |
Very good |
Signal™ |
|
Medium | -18° to 224°F -28° to 107°C |
Very good | |
UltraSoniX™ |
|
Medium | 10° to 220°F -12° to 104°C |
Very good Meets ASTM F519 |
|
EchoPure™ |
|
High Medium Low Fluid |
-60° to 350°F -51° to 176°C |
Very good Meets ASTM F519 |
|
SoniX™ |
|
Medium | 18° to 120°F -8° to 50°C |
Very good Meets ASTM F519 |
|
Glycerin |
|
Fluid | 65° to 500°F 18° to 260°C |
Can be corrosive to carbon steel and aluminum. No corrosion effects in most plastics, fiberglass, or composites. |
Powder Couplant Comparison
Couplant | Key Benefits | Viscosity | Temperature Range |
Corrosion Characteristic |
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EchoMix®
|
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Medium gel Adjustable low to high |
32° to 120°F 0° to 50°C |
Mild, short term ferrous corrosion inhibition |
Speciality Couplant Comparison
Couplant | Key Benefits | Viscosity | Temperature Range |
Corrosion Characteristic |
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Forever Wedge Couplant™ |
|
Fluid | -50 to 700°F -45° to 371°C |
N/A |
Echo Shear Wave Couplant™ |
|
Paste | 40 to 90°F 4° to 32°C |
N/A | |
Echo Z+™ |
|
Fluid, Low, Medium, High, Very High |
0 to 200°F -18° to 93°C |
Strong ferrous corrosion inhibition | |
Echo 8ZH™ |
|
Paste | Short term: -45 to 750°F Long term: -45 to 400°F |
Strong ferrous corrosion inhibition |
High Temperature Couplant Comparison
Couplant | Key Benefits | Viscosity | Temperature Range |
Corrosion Characteristic |
|
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VersaSonic® |
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Medium and High Viscosity Gel | -10° to 700°F -23° to 371°C |
Best long-term corrosion protection. Meets ASTM F519 |
HiTempco+™ |
|
Paste | -50° to 850°F -45° to 455°C |
Excellent corrosion inhibition | |
AeroSoniX™ |
|
Low Viscosity Gel | -50° to 775°F -45° to 412°C |
Excellent corrosion inhibition | |
EchoTherm™ |
|
Paste | 200° to 1000°F 93° to 538°C |
N/A | |
EchoTherm Extreme™ |
|
Paste | -40° to 1250°F -40 to 675°C |
Meets ASTM F519 |
Fluid Couplant Comparison
Couplant | Key Benefits | Viscosity | Temperature Range |
Corrosion Characteristic |
|
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EchoFLOW™ |
|
Fluid | -40° to 150°F -40 to 65°C |
N/A |
Echo 3HT™ |
|
Fluid | -30° to 350°F -34 to 177°C |
Similar to water | |
Echo 6 HT™ |
|
Fluid | -40° to 675°F -40° to 357°C |
Excellent | |
Echo 8 HT™ |
|
Fluid | -50° to 800°F -45° to 425°C |
Excellent |