Loctite ® 518™ Gasket Eliminator ® Flange Sealant

Medium-strength, general purpose gasketing product - excellent contamination tolerance. Ideal for use on casted iron, steel and aluminum flanges.

Recommended for use on rigid iron, steel and aluminum flanges e.g. aluminum gearbox and engine castings, etc. Easy disassembly and cleaning.
Loctite® 518™ Gasket Eliminator® Flange Sealant forms a flexible, solvent-resistant seal that will not tear or decay. Seals to 300 °F and fills gaps to 0.50". It can be used on flexible metal assemblies, including aluminum surfaces.

Sealant for Gasketing
Gasketing is a sealant between two flanges assembled with screws. The sealant completely fills the space between the flange surfaces, thereby preventing the escape of gaseous or fluid materials in composite machine parts or pipe connections.
The sealant for gasketing can be used with many different types of materials including various metals, wood, plastic, rubber, ceramics, glass, and even concrete. The type of sealant selected for a specific application depends on the material to be sealed, environmental conditions, temperature, and operating pressures in the system.
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Other Top Pick Gasketing Sealants Products

Loctite® 515
Flexible flange sealant for use on rigid machined flanges
Recommended for coating and re-using gaskets to improve sealing. Approvals: AGA certificate 2590 to690kPa (Gas)

Loctite® 548
Semi-solid stick formula, ideal for on-the-spot repairs, or when a conventional gasket is out of stock.

It can be applied quickly and neatly on a variety of metal surfaces to form a flexible, solvent resistant seal.

Loctite® 510
Medium strength, high temperature flange sealant resists low on-line test pressures, uncured

Recommended for use on rigid metal parts e.g. cast iron components and pump housings, etc. operating athigh temperatures. Approvals: AGA certificate 2590 to690kPa (Gas)

> View all products about gasket sealants
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Your benefits

  • Semi-flexible, medium-strength anaerobic flange gasket
  • For active and inactive rigid metal flanges
  • Cures through minor surface contamination
  • Adapts to flange surface irregularities and gaps up to 0.25 mm
  • Gel-type consistency
  • Seals instantly against low pressure
  • Reduces inventory costs – no need for large inventory of cut gaskets
  • Resists high pressure when fully cured
  • No compression set or misaligned gaskets
  • Easy to automate
  • Reduces process costs – eliminates manual assembly of conventional gaskets
  • NSF P1 Reg. No. 123758

Additional Documents

MSDS Documents
Technical Information