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Echo 6 HT High Temp UT Couplant

Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00

The Echo 6 HT High Temp UT Couplant is a low-cost silicone-based high-temperature, slow-drying, fluid ultrasonic couplant replacing plant-based oils (peanut and canola) and mineral oils. This couplant has no residue and is less subject to under-insulation cracking (which leads to a lower auto-ignition temperature).


  • Won’t form a film or varnish nor will it gum up bearings or equipment.
  • Serves as a long-term lubricant for mechanical AUT equipment.
  • Low in viscosity and maintains a stable viscosity across a broad operating range.
  • Provides excellent corrosion inhibition on ferrous metals and is compatible with all metals and most plastics.


Operating Range: -40° to 675°F (-40° to 357°C)

Viscosity: Fluid, 90 to 110 cSt

Auto-iginition Temperature: 789° F (421° C)

Sound Velocity: 1015 m/second

Halogens & Sulfur: Less than 50 ppm

Specific Gravity: 0.97

Weight/Gallon: 8.91 pounds / 4.04 kg net

Echo 6 HT Brochure

Echo 6 HT MSDS