Sono 600

High-Temperature Ultrasonic Couplant

Sono 600 is a versatile, multi-purpose couplant with a wide operating temperature range for flaw detection, thickness gauging and acoustic emission testing in petrochemical, power generation, automotive, aerospace, food processing equipment and pharmaceutical manufacturing.

Recommended temperature range is 0 to 700°F / -18 to 371°C.


  • Economical high-temperature couplant
  • Excellent corrosion inhibition
  • Very slow drying for extended inspection time or long-term coupling
  • Non-toxic, biodegradable formula

Ordering Information

3.78 L45-901UK

Product Properties

NDT TypeUltrasonic Testing

ViscosityThick Gel

CompatibilityMost composites and metals


Ideal ApplicationAcoustic emission testing, Aerospace, Automotive, Flaw detection, Flow metering, Food processing, High temperature ultrasonic testing, OCTG inspections, Pharmaceutical manufacturing, Pipes, tubular goods, casing and connections, Power generating boilers, Pressure vessels, Thickness gauging, Transmission pipes


StandardsAPI, ASME, AWS

Related Products

  • Ultragel II

    Ultragel II

    Industry-leading, high-performance ultrasonic couplant for flaw detection and sizing, thickness gauging, flow metering and acoustic emission testing

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