Magnaflux Ultragel II Couplant Magnaflux| 4123 Magnaflux Ultragel II Couplant Print Magnaflux| 4123 Magnaflux Ultragel II Couplant The Ultragel II is a high-performance couplant, water soluble, with excellent corrosion protection and thixotropic properties. It meets nuclear specifications for halogen and sulfur levels and is Pratt & Whitney approved. Temperature range: -23 to 99°C (-10 to 210°F). 25-908: Ultragel II couplant, 8oz (236ml) bottle. 25-912: Ultragel II couplant, case of 12 bottles, 12oz (354ml) per bottle. 25-901: Ultragel II couplant, 1gal (3.78L) container. 25-905: Ultragel II couplant, 5gal (18.9L) container. 25-955: Ultragel II couplant, 55gal (208L) drum. Request for information
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