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The TEMPIL 28068 is a Tempilstik temperature indicating marker rated at 1600 degrees F (871 degrees C). It is a solid-stick crayon-style tool used to verify surface temperature on metals and other materials during welding, heat treatment, brazing, and similar thermal processes. The stick is applied directly to a workpiece surface. When the surface reaches the rated temperature, the mark instantly melts, providing an immediate visual confirmation without the need for calibration or separate instruments. Accuracy is within plus or minus 1 percent of the Fahrenheit rating. Welders, pipefitters, boilermakers, and fabricators rely on Tempilstik markers as a fast, reliable go or no-go temperature check.
This marker is suited for use on aluminum, ceramic, glass, iron, plastic, stainless steel, and carbon steel. It is commonly used in structural welding preheat verification, post-weld heat treatment, and heat-treating operations in fabrication shops, field pipe work, and industrial maintenance. TEMPIL offers 116 temperature grades from 100 degrees F (38 degrees C) to 2000 degrees F (1093 degrees C), so this 1600 degrees F stick fits into a broader range of thermal process control workflows.
Designed for surface temperature indication on aluminum, ceramic, glass, iron, plastic, stainless steel, and carbon steel workpieces in welding, heat treatment, and thermal processing applications.
Apply the Tempilstik mark to the workpiece surface before or during the heating process. The mark will liquefy when the surface reaches the rated temperature. Keep the stick away from direct flame contact, as applying it to the heat source rather than the base material will give a false reading. Store markers in a cool, dry location away from heat sources to preserve calibration integrity.
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