Magnaflux Sonotrace Couplant Magnaflux| 19403 Magnaflux Sonotrace Couplant Print Magnaflux| 19403 Magnaflux Sonotrace Couplant The Sonotrace 30 is a general purpose, water-soluble couplant with outstanding wetting capabilities and very good corrosion inhibition. Glycerine free, it meets nuclear specifications for halogen and sulfur levels. Temperature range: -4 to 79 Celsius (25 to 175°F). NOTE: Similar to the Echogel, but more expensive! 42-901: Sonotrace 30 couplant, 1gal (3.78L) container. 42-905: Sonotrace 30 couplant, 5gal (18.9L) container. 42-955: Sonotrace 30 couplant, 55gal (208L) drum. Request for information
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