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The TEMPIL 24408 is a temperature-indicating liquid used to verify surface temperatures on metal, glass, and plastic substrates. Applied directly to the work surface, the liquid dries quickly and melts at its rated temperature, leaving a visually distinct mark that confirms the target heat level has been reached. This 350 degrees F (177 degrees C) formulation is accurate to within plus or minus 1 percent of the Fahrenheit rating and plus or minus 3 percent of the Celsius rating. The fast-drying formula adheres reliably to both horizontal and vertical surfaces, making it practical for in-position fieldwork. Supplied in a 2 oz container, it is used by welders, HVAC technicians, plumbers, and fabricators who need a simple, reliable heat confirmation method without instrumentation.
This temperature-indicating liquid is suited for applications where surface temperature verification is required before or during heat-intensive work. Typical uses include brazing and soldering setups, heat treatment processes, and equipment preheating verification on metal components. The compatible surface types include glass, metal, and plastic, making it versatile across trade disciplines. The enhanced formula resists settling in the container, extending usable shelf life and maintaining consistency across applications.
Designed for use on glass, metal, and plastic surfaces where surface temperature verification is required prior to or during heat-intensive trade work.
Apply a small amount of the liquid to the target surface before or during the heating process. Allow the application to dry fully before heat is introduced so the melt point indicator functions correctly. Keep the container sealed when not in use to prevent evaporation and maintain formula integrity. No specialized tools are required, but appropriate personal protective equipment should be worn when working near high-heat processes.
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