Product Description Sonotrace® Gr. 30 (Glycerine-free) General-Purpose Ultrasonic Couplant Sonotrace® is a general-purpose ultrasonic couplant for flaw detection and thickness gauging applications. This glycerin-free couplant is a great choice for applications requiring minimum halogens, sulfur and low melting point metals, and offers good performance at a lower price point. Sonotrace comes in two different viscosities, Sonotrace 30 which is a medium-thick gel and Sonotrace 40 which is slightly more viscous. Benefits Contains humectants to retard drying for longer inspection time Very good corrosion inhibition Nuclear grade Good surface wetting to quickly cover oily or dirty surfaces Water washable for easily removal Silicone free Glycerin free Slower drying Good price-to-performance value
