Berg offers the Sono 600 ultrasonic couplant from Sonotech which is a high temperature, non-drying couplant for thickness gaging and flaw inspection. It is available in a fluid or in a gel. If you have any questions about the couplants that we offer, give us a call at 1-847-577-3980 or send an email to info@bergeng.com. Our knowledgeable staff is there to help and assist you.