Refrigeration Technologies RT400P Viper Wetrag Heat Blocking Putty Jar

This reusable heat blocking putty keeps piping and sensitive components cooler than traditional wet rag applications during brazing, soldering, or welding. It is made from the same materials found in the heat shield of the space shuttle. Simply apply, remove, and reuse. Features: Reusable up to 40 Times Withstands Temperatures over 2000 °F Blocks Direct and Conductive Heat Indicator Dye Fades as Product Wears Out