PC-Metal, 2 OZ Epoxy Repair Putty, Hand Kneadable Steel Filled Epoxy Putty, Mixes In About 1 Minute & Begins To Cure In 5 Minutes, Can Be Used To Repair Tanks, Drums, Castings, Pipes Etc. Can Also Be Used To Repair Missing, Dented Or Broken Metal, Can Be Sanded Or Drilled & May Be Painted After 30 Minutes.