4 x 50g Evo-Stik Plumber's Mait Quick Leak Repair Putty A strong, waterproof fast setting epoxy putty that is designed for long lasting emergency repairs;Suitable for repairing leaking pipes, radiators, tanks and cylinders; Bonds to copper, steel, aluminium, fibre glass, acrylic, porcelain and much more There is no need to drain the system prior to use as it can be applied to wet or damp surfaces Easy and accurate to mix - simply cut off the required amount and mix the putty;Can be moulded into any shape required Waterproof and chemical resistant; 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 hour