Article: ISA.org
Upon exposure to heat, Thermex® changes color instantaneously and permanently to reveal temperature distribution between any two contacting surfaces. The intensity of this color change directly relates to the temperature it was exposed to enabling Thermex to reveal spot high or low temperature zones and minute surface variations. Invasive intolerant environments and interfaces that aren’t easily accessed with traditional temperature indicators and infrared thermometers are among candidates for Thermex®. Post processing analysis of Thermex® is available for temperature fluctuations that need to be analyzed with great precision.

Figure 1: Thermex® temperature distribution film enhanced by Topaq analysis