Bonds and repairs materials that will be exposed to high temperatures without welding or brazing. The hand-mixable epoxy putty sets in 1 hour and can be drilled, tapped, machined, ground, filed and painted after curing for 8 hours. It withstands continuous heat exposure up to 400°F and intermittent heat exposure up to 550°F. It boasts a tensile strength of 800 PSI.