Tempilaq G is a quick and easy way to verify the achievement of a specific temperature on a wide range of surfaces under dynamic conditions. When Tempilaq is applied to a surface it quickly dries to dull, opaque film. When heat is applied to the surface and the rated temperature is reached the film liquefies. As the surface cools the liquefied Tempilaq re-solidifies to leave a distinctly different mark confirming that the target temperature has indeed been achieved. Tempilaq is available in 44 different temperature ratings from 175oF to 2,000oF.