ISOPON Metal Fix is an all-purpose filler, compatible with all metal surfaces including steel, aluminium, and alloys. This 2 part polyester paste contains aluminium for extra toughness and offers excellent adhesion. Metal Fix is water, oil and chemical resistant. Its also resistance to temperatures up to 120C. Suitable for all metal surfaces, easy to shape and sand. Specification Coverage 560cm at a 3.5mm depth.