Our company started with NDT branch in 1995. We offer four types of ultrasonic coupling agents on this web page. Three ultrasonic coupling agents have powder form and one type has gel form. Two ultrasonic coupling agents contain anticorrosion inhibitors. One ultrasonic coupling agent isn´t on water basis. The price starts from 1 EURO per 1 liter.
The DA590 and the HT400(A) can be used intermittently for high temperature over
500 degrees C.
If you use suitable STARSONIC you will win cheap and reliable replacement of high temperature probes.