- ASTM F519
- ASTM F945
- ASTM F945 or PWA 36604, MCL E-205 Type II
- Pratt & Whitney PMC 4384
Magnaflux 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. Ultragel II is Pratt & Whitney approved and meets nuclear grade specifications for halogen and sulfur levels.