Evo-Stik Hard and Fast Metal Epoxy Putty. 50g. A strong, waterproof fast setting epoxy adhesive putty that is designed for long lasting repair. Suitable for fixing towel rails, repairing exhaust pipes, stopping leaks in radiators, welding pipes together or filling around the outside of a tap. There is no need to drain the system prior to use as it can be applied to wet or damp surfaces and will even set under water. Easy and accurate to mix - simply cut off the required amount and mix the putty. Can be moulded into any shape required. Waterproof. Resists temperatures up to 150 degrees centigrade. Can be drilled, sanded, machined, stained and painted once dried. Sets in 10 minutes and fully cured within 1 hou. Bonds to copper, brass, steel, aluminium, fibre glass, glass, hard plastics, wood and much mor. Once set, it is as hard as steel.