Loctite EA 3471 is a 2-part, grey, non-sagging epoxy putty which is easy to apply with no need for heating or welding. Typical applications include repairing non-structural defects in castings, making jigs and fixtures, sealing vessels, tanks and valves, resurfacing worn air seals and filling cavitated areas. This product is typically used in applications with an operating range of -30 to +105°C.