Sonotech Ultragel® II Ultrasonic Couplant, Bright Blue, 1 Gallon
Magnaflux Corp
Part # 25-901=0I
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Mfr Part # 25-901
Sonotech Ultragel® II (P/N 25-901) is a bright-blue, medium-viscosity, water-soluble ultrasonic couplant for NDT and aerospace inspections. The thixotropic gel fills rough-surface depressions, provides corrosion protection, stays on vertical/overhead surfaces, and meets nuclear cleanliness limits.
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Overview
Sonotech Ultragel® II is a high-performance ultrasonic couplant supplied as part number 25-901. This transparent, bright-blue, medium-viscosity gel is formulated with glycerin and propylene glycol to provide excellent surface wetting and transducer lubrication for flaw detection, sizing, thickness gauging, flow metering, acoustic emission testing, and weld inspection. Ultragel II is thixotropic—remaining in place on vertical and overhead surfaces—has slow drying for extended inspection time, offers high corrosion protection, and meets nuclear-grade halogen and sulfur limits for sensitive alloy inspection. It is widely approved for aerospace use, including Pratt & Whitney, and conforms to multiple industry standards.
Features & Benefits
Fills depressions in rough surfaces for reliable acoustic coupling
Provides good transducer lubrication and increased acoustic impedance to reduce surface noise
Thixotropic gel with great surface wetting—stays in place on vertical and overhead surfaces
Outstanding corrosion protection to safeguard inspected parts
Nuclear grade: low halogen and sulfur levels suitable for sensitive alloys
Suitable for hydrogen embrittlement and acoustic emission testing
Slow drying time enables extended inspection or long-term coupling
Specifications
Part Number: 25-901
Manufacturer: Sonotech (a division of Echo Ultrasonics®)
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