Loctite 510 Flange Sealant Gasket Eliminator 50ml 510-050ML/LOCTITELoctite 510 is a high temperature resistant anaerobic sealant which cures when confined in the absence of air between close fitting metal surfaces. Typical applications include sealing rigid flange faces on transmissions and motor casings. It ensures an instant, low pressure seal. The product increases the torque capacity of assembled flanges.