Steel epoxy in stick form. Cut off a section, knead, apply to leaking pipes or damaged equipment. Working time is 3 minutes. Sets in 10 minutes. Adheres to damp surfaces. Can be drilled, filed, and painted. Ideal for emergency sealing of leaking tanks and pipes. Smoothes welds, repairs small cracks in castings, and fills oversized bolt holes. Certified for use with drinking water system components. 12,000 PSI comprehensive strength. 250°F maximum operating temperature. 2500 PSI tensile strength. Grey. Size 4 oz. nt. wt. stick.