LOCTITE 518 is a medium-strength sealant which cures when confined in the absence of air, e.g., between close-fitting metal surfaces. Typical applications include sealing close-fitting joints between rigid metal faces and flanges.
LOCTITE 518 provides resistance to low pressures immediately after assembly of flanges. It is typically used as a form-in-place gasket on rigid flanged connections, e.g., transmissions and engine casings.