Sets in 20 minutes after 3- to 5-minute working time and cures harder than concrete in 1 hour; can be drilled, tapped, sanded or painted once fully cured. Nontoxic putty is solvent free and contains no VOCs; it can even be used on potable water lines. PIG and the PIG logo are trademarks of New Pig in the U.S. and other countries. See more information at tm.newpig.com.