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Loctite 573 Flange Sealant

The Loctite 573 Flange Sealant is a medium-strength, medium-viscosity anaerobic sealant formulated as a thixotropic paste for creating form-in-place gaskets on rigid metal flanges. It cures only when confined between metal surfaces in the absence of air, making it ideal for sealing gearbox casings, engine housings, and other closely fitted joints—especially in assemblies requiring longer build times (9–12 hours fixture time).
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Loctite® 573TM seals close fitting joints between rigid metal faces and flanges. The product cures when confined in the absence of air between close fitting metal surfaces. Typically used as a form-in-place gasket on rigid flanged connections, e.g. gearbox and engine casings, etc. The thixotropic nature of Loctite® 573TM reduces the migration of liquid product after application to the substrate.

  • Typically used as a form-in-place gasket on rigid flanged connections
  • Ideal for sealing large, rigid metal flanges or flanges where assembly may take up to several hours
Gasketing Compound
  • Loctite
  • 50 ml
  • Acrylic
  • Dimethacrylate Ester
  • 9 - 12 hr
  • 0.1 mm
  • Medium, Thixotropic
  • Gasketing and Sealing
Adhesives
  • 573
Filename Size Type Downloads

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