Flexible Gasket, for Aluminum,Iron & Steel Flange. Formulated for mating aluminum and bi-metal flanges. Provides an instant seal without the use of primer. Ideal for emergency repairs, or when a conventional gasket is out of stock. this grade cures rapidly for a medium strength, solvent resistant. Resists temperatures up to +150°C and fills gaps to 0.12-0.25mm (primed).