PC Products 25598 PC-Plumbing Moldable Epoxy Putty, 2 oz Stick, Concrete Gray Epoxy putty for temporary bonding in plumbing applications such as repairing leaking pipes, tanks, and valves Hand moldable without need for mixing or application tools Continuous service temperature range from -20 to +200 degrees F Provides work time of 3 minutes and cure for service time of 60 minutes NSF rated safe for potable water contact