Do it Gray Epoxy Putty, 1.3 oz. is a versatile repair solution that hardens like steel in just 20 minutes, making it for plumbing, electrical, automotive, and home repairs. This epoxy putty plugs, seals, and patches holes and cracks, effectively mending almost anything broken. It is suitable for underwater repairs and excels at fabricating or rebuilding parts. Additionally, it serves as an all-purpose adhesive for a variety of materials including metals, wood, glass, masonry, ceramics, and many plastics. Once cured, it can be drilled, tapped, filed, sanded, and painted just like metal. This product is NSF for use in potable water applications, though it should not be used with polyethylene or polypropylene. Model Number: 044030