LOCTITE SI RTV BLUE
(Known as Loctite Superflex Blue RTV Silicone Adhesive Sealant )
LOCTITE® SI RTV BLUE. Replaces almost any cut gasket. Makes reliable formed-in-place gaskets that resist cracking, shrinking, and migrating. Coats pre-cut gaskets to increase reliability. Temperature range -65F to 500F intermittent; resists auto and shop fluids. Will not foul oxygen sensors.