Silkolene 762 Hi-TempJointing CompoundDesigned for sealing joints to prevent leakage of high temperature air or other gases, like exhaust flanges or turbocharger connectionsCan be used from 200°C to 800°C providing the joints are rigidly mounted and are free from distortion and movementWell suited for 4-stroke exhaust systems and highly adhesive to all clean metal surfacesApproved by the UK Ministry of Defense, Rolls Royce, Garret, Lucas Turbochargers, Mikuni Carburetors and is also GE Aviation certified