VIPER WETRAG REUSABLE HEAT BLOCKING PUTTY 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. Reusable 40+ times, Withstands temperatures over 2500°F, Blocks direct and conductive hear, indicator dye fades as product wears out NSF, Kosher Reusable, Protects for Heat Damage, Non-Toxic and No Cancer causing Ingredients NSF Registered for use around food

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