100% Reusable. A must-have when brazing, soldering, or welding!
As a non-toxic, heat-absorbing putty, Hot Block will block direct and conductive heat transfer on all types of surfaces and metals, including joints, valves, fittings, composite panels, rubber, and plastics. Stops all transfer of heat down 3000º in half an inch. Wrap it around copper, aluminum, and steel pipes!
Perfect for stopping warping while welding on flat panels or bodywork, too!
⚠️ California Proposition 65 Warning
Some products sold on this website can expose you to chemicals including nickel, chromium, and other substances known to the State of California to cause cancer and reproductive harm.
For more information, visit www.P65Warnings.ca.gov
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