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Loctite 518 Gasket Sealant, 25mL Tube, Red, 5/Case

ID: LOC22423 Mfr ID: 22423
Manufactured by: Loctite Industrial
Loctite 518 is a single component, medium strength, anaerobic sealant which cures when confined in the absence of air between close fitting metal surfaces. Typical applications include sealing close fitting joints between rigid metal faces and flanges. Provides resistance to low pressures immediately after assembly of flanges.

Container Type
Container Size
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  • Brand name :  Loctite
  • Series :  LOC-518
  • Item Name :  Gasket Sealant
  • Short Desc :  22423 518 MASTER GASKET KIT STD PACK
  • Packaging :  5/Case
  • UPC :  00079340224230
  • UNSPSC :  31201700

The thixotropic nature of Loctite 518 reduces the migration of liquid product after application to the substrate. Typically used as a form-in-place gasket on rigid flanged connections, gearbox and engine casings, etc.

Design & Construction
Cure Type Anaerobic Cure 
Form Gel 
Color Red 
Performance Details
Full Cure Time 4 hr 
Elongation 64% 
Shear Strength 1100 psi 
Tensile Strength 1200 psi 
Environmental Condition
Temperature Rating -55 to 150 deg C 
Chemical Properties
Composition Dimethacrylate Ester 
Specific Gravity 1.1 
VOC 19.44g/L 
Viscosity 500000 - 1000000 cP 
Supporting Information
Applicable Materials Metals 
Physical Properties
Container Size 25mL 
Container Type Tube 
Odor/Scent Mild 

Loctite 518 Gasket Sealant, 25mL Tube, Red, 5/Case Material Safety Data Sheet (MSDS) 

Loctite 518 Gasket Sealant, 25mL Tube, Red, 5/Case Safety Data Sheet (SDS) 

Features :

  • Medium-strength, flexible 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
  • Resists high pressure when fully cured
  • Easy-to-automate
  • Eliminates manual assembly of conventional gaskets, reduces process costs

Applications :

  • For Rigid Assembly Gasketing, Formed in Place (FIP) Sealing