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The TEMPIL 24426 is a temperature indicating liquid designed to provide accurate on-surface temperature verification during heating, brazing, soldering, and heat treatment operations. Applied directly to metal or glass surfaces, the liquid melts at its rated temperature of 900 degrees F (482 degrees C), leaving a visually distinct mark that confirms the target temperature has been reached. The formula dries fast on both horizontal and vertical surfaces and includes an enhanced anti-settling formulation. Accuracy is within plus or minus 1 percent of the Fahrenheit rating, making it a reliable field verification tool for HVAC technicians, pipefitters, welders, and metalworkers who need a quick, no-instrument temperature check.
This product is suited for use in residential and commercial applications where surface temperature confirmation is required before or during a procedure. Common scenarios include brazing refrigerant lines, soldering copper pipe joints, and pre-heating metal components prior to welding. The 2-ounce container is a practical size for field service kits and shop use. Compatible materials include glass, metal, and plastic surfaces where a fast-drying, high-visibility melt mark is needed to confirm thermal thresholds without the use of a contact thermometer or thermocouple.
Designed for use on glass, metal, and plastic surfaces where surface temperature confirmation at 900 degrees F is required.
Temperature indicating liquids are applied by trade professionals including HVAC technicians, pipefitters, and welders as part of pre-work surface preparation and quality verification. Apply a small amount to the work surface before or during heating and observe for the melt transition. Allow surfaces to cool fully before handling and follow all applicable safety protocols for hot work in the jurisdiction. Shake or stir the container before use if any settling has occurred despite the enhanced formula.
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