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Ultragel II
High Performance Ultrasonic Couplant

Ultragel® II is an industry-leading, high-performance, ultrasonic couplant for flaw detection and sizing, thickness gauging, flow metering and acoustic emission testing.

Ultragel II is widely recognized as the industry’s most dependable and popular ultrasonic couplant. This general-purpose medium viscosity gel is known for its outstanding performance, excellent corrosion protection, thixotropic properties and comprehensive range of specifications and approvals.
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Ultragel II is Pratt & Whitney approved and meets nuclear grade specifications for halogen and sulfur levels.

Product Data Sheet

Safety Data Sheet

• Benefits
• Compliance
• Item # - Sizes
• Applications
• Product Properties

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• Clings well to vertical and overhead surfaces
• Fills in depressions in rough surfaces
• Highest corrosion protection
• Slow drying for longer inspection time
• Provides good transducer lubrication
• Increased acoustic impedance reduces surface noise
• Wide range of specifications and approvals
• Thixotropic gel
• Great surface wetting
• Nuclear grade
• Aerospace approvals
• Hydrogen embrittlement testing

Standards:  API, ASME, ASTM F519, ASTM F945, ASTM F945 or PWA 36604, MCL E-205 Type II, AWS, Pratt & Whitney PMC 4384

• ​12 fl oz / 354 mL bottles (case of 12) - Item # 25-912
• 1 gal / 3.78 L cubitainer - Item # 25-901
• 5 gal / 18.9 L cubitainer - Item # 25-905
• 55 gal / 208 L drum - Item # 25-955

Ideal Application:  Acoustic emission testing, Aerospace inspections, Aircraft wheel maintenance, Composites, Flaw detection, Flaw sizing, Flow metering, Nuclear inspections, Rough surfaces, Thickness gauging, Turbine blades, Vertical or overhead surfaces, Weld inspection

NDT Type:  Ultrasonic Testing
Compatibility:  Most composites and metals