Heat Absorbing Paste, 11oz Tube Thermo-Trap

4371-36 MFG #: 4371-36
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  • Category: General Purpose Chemical
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Nu-Calgon Thermo-Trap® 11 Oz, Tube, Paste, Liquid, Thermo-Trap Gray to White Heat Absorbing Paste

Technically, Thermo-Trap is referred to as a heat sink. This means that it has an extremely high capacity for absorbing heat. Applied to the metal working surface between the area being heated and the material to be protected, Thermo-Trap soaks up heat and reduces heat transfer. This keeps heat from spreading beyond the work area. Heat-sensitive components, installed fittings, etc., on the other side of Thermo-Trap stay cool and are not damaged by transmitted heat.

Features & Benefits

  • Easy to use
  • Will not melt or run
  • Odorless
  • Harmless to skin and clothing
  • Will not stain work surfaces
  • Cleans up easily
  • Adheres to all surfaces
  • Made in USA


  • Type: Paste, Liquid
  • Specific Gravity: 1.02
  • Container: Tube
  • Capacity: 11 Ounce
  • Color: Gray to White
  • Metal Used On: Copper, Steel
  • Compliant Specification: USDA
  • Application: Welding, Brazing, Soldering
  • Vapor Pressure Rating 15.5 Millimeter Hg