Magnaflux Sonoglide FE 20 Ultrasonic Couplant

CAD $78.00

This product is now discontinued.  Limited quantity still available.

Sonoglide® FE 20 is a very high-performance couplant specially formulated for ferrous metals where short-term corrosion is a concern. A broad operating temperature range (-60 to 250°F / -51 to 121°C) makes Sonoglide FE 20 a good choice for low and elevated-temperature inspections.




This medium viscosity gel couplant is slow drying for longer inspection time, provides good transducer lubrication and is self-leveling for fast coverage over wide areas. It remains stable on corroded or salt covered surfaces and offers excellent acoustic properties.


  • Very slow drying for extended inspection time
  • Water-washable for easy removal
  • Provides good transducer lubrication
  • Excellent acoustic properties
  • Self-leveling for fast, easy coverage over large areas
  • Will not harden on transducers or instruments
  • Low potential for skin irritation; will not dye clothing
  • Very good corrosion inhibition
  • Wide operating temperature range
  • Nuclear grade

Ideal For

  • Flaw detection
  • Flaw sizing
  • Thickness gauging
  • Corrosion mapping
  • OCTG inspections
  • Weld inspection
  • Small and large diameter pipe
  • Power generation
  • Boiler testing
  • Pipes, tubular goods, casing and connections
  • Low temperatures

For more information, see manufacturer’s product sheet:  Product Sheet – Magnaflux Sonoglide FE 20 Ultrasonic Couplant

Additional information

Weight N/A
Dimensions N/A

1 gal, 55 gal


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