Header tank of a car radiator with silicone gasket made of ELASTOSIL^® RT 728 (light-colored bead). The new liquid silicone rubber, which is resistant to coolant, has been specially developed for the automotive industry. It is suitable for injection molding and for cured-in-place gaskets applied by dispensing equipment. (Photo: Wacker Chemie AG; part courtesy of MAHLE GmbH, Stuttgart)