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Echogel
Economical Ultrasonic Couplant

Echogel® 20 is an economical, basic-use couplant in medium-thick gel viscosity for ultrasonic inspections, like flaw detection/sizing and thickness gauging, where salt cake or metal corrosion salts are present. It provides good corrosion inhibition and resists viscosity breakdown on salt-caked boilers and other corroded materials.

• Benefits
• Specifications
• Item # - Sizes
• Applications
• Utilization

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• Enhanced surface wetting to quickly cover oily or dirty surfaces
• Maintains viscosity on corrosion or salt cake
• Good corrosion inhibition
• Silicone free
• Hydrogen embrittlement testing

ECHOGEL safety data sheet

Echogel product data sheet

• API
• ASTM F519
• ASME
• AWS​

• 1 gal / 3.78 L cubitainer - Item # 48-901
• 5 gal / 18.9 L cubitainer - Item # 48-905
• 55 gal / 208 L drum - Item # 48-955

Defect location:  subsurface

​Ideal for:

• Flaw detection
• Flaw sizing
• Thickness gauging
• Power generating boilers
• Corroded parts
• When corrosion, salt, or salt cake is present
• Large volume flaw inspections
• Small diameter pipe
• Weld inspection
• High strength steel
• OCTG
• Tubular goods
• Pipes, pipe components, connections and couplings

• NDT Method: Ultrasonic Testing
• Required Equipment: UT equipment, transducer
• Temperature Range: 27 to 140ºF / -3 to 60ºC
• Compatibility: Most composites and metals