Loctite 515 Gasket Maker

LOCTITE 515 is a medium-strength, anaerobic flange sealant designed for sealing close-fitting, rigid metal flanges. It cures in the absence of air when confined between mating metal surfaces, forming a flexible seal that helps prevent leakage of fluids and gases.

It is particularly suitable for machined metal flange faces where conventional gaskets may be difficult to use. LOCTITE 515 fills surface irregularities and provides reliable sealing while helping reduce the need for pre-cut gaskets.

Key Features:

Anaerobic flange sealant for rigid metal flanges

Forms a flexible, leak-resistant seal

Seals against oil, water and other industrial fluids

Helps prevent leakage caused by surface imperfections

Suitable for close-fitting, machined metal flanges

Helps eliminate the need for conventional pre-formed gaskets in suitable applications

Provides good resistance to vibration and thermal cycling

Useful for industrial machinery, pumps, gearboxes, compressors and engine components

Typical Applications:

LOCTITE 515 can be used for sealing flanges, housings, covers, pumps, gearboxes, compressors and other rigid metal assemblies where reliable sealing is required.

How It Works:

When applied between two close-fitting metal surfaces, the sealant remains liquid while exposed to air. Once the parts are assembled and oxygen is excluded, it cures to form a durable sealing layer. The cured material compensates for minor surface irregularities and helps create a continuous seal.

Product Category: Anaerobic Flange Sealant

Suitable Substrates: Rigid metal surfaces

Application: Industrial flange and housing sealing