Loctite 510 Gasket Eliminator Flange Sealant 50ml

Loctite 510 is a one-component, pink, medium strength anaerobic flange sealant. It is an acrylic (dimethacrylate ester) paste that cures when confined in the absence of air.

It suits general gasketing and sealing of close-fitting flanged parts, applied by hand dispensing or screen printing. It is designed for gaps up to 0.25mm.

Where this product is used

• Sealing close-fitting flanged parts in place of a cut gasket
• Flanges with gaps up to 0.25mm, roll a film onto both faces above 0.125mm
• Hand-dispensed application
• Screen-printed application
• Flanges needing AGA Certificate 2590 (Class II, 500 kPa), a regional approval

Features

• One component, no mixing
• Medium strength anaerobic cure
• Opaque pink paste
• Designed for gaps up to 0.25mm
• Compressive shear at least 7.5 N/mm² after 24 hours at 22 °C
• AGA Certificate 2590, Class II, 500 kPa (regional approval)
• Cold tested to -75 °C, heat ageing at 150 °C and 185 °C to 5,000 hours

Key specifications

Choosing the right option

For other Loctite flange sealants, see Loctite 518 Gasket Eliminator Flange Sealant, Loctite 515 Master Gasket Flexible Sealant or Loctite 5127 Flexible Anaerobic Gasket Eliminator - 50ml (38657). Where cure is slow or gaps are large, use Activator SF 7471 (Loctite 7471 Primer T Surface Preparation Activator Aerosol 133g) or SF 7649 (Loctite SF 7649 Activator for Anaerobic Adhesives 133ml).

See also: Loctite 518 Gasket Eliminator Flange Sealant, Loctite 515 Master Gasket Flexible Sealant, Loctite 5127 Flexible Anaerobic Gasket Eliminator - 50ml (38657), Loctite 7471 Primer T Surface Preparation Activator Aerosol 133g.

Using it

Apply by hand dispensing or screen printing. For gaps above 0.125mm, apply a rolled film to both flange faces.

Cure speed depends on the materials, the gap and the temperature, tested at 5 °C, 22 °C and 40 °C. Where cure is unacceptably slow or gaps are large, use Activator SF 7471 or SF 7649.

Uncured, the sealant gives an instant seal of 0.02 MPa at a 0mm gap and 0.01 MPa at gaps of 0.125mm and 0.25mm (50mm ID x 70mm OD polycarbonate ring). Keep any pre-cure leak check below 0.05 MPa.

To remove cured product, soak it in Loctite solvent (for example 7200) and remove it with a soft scraper.

Storage and handling

Store unopened in a dry place. The optimal storage temperature is 8 °C to 21 °C. Storage below 8 °C or above 28 °C can adversely affect the properties of the product.

Limits and safety

Not recommended for plastics, particularly thermoplastics, so check compatibility; also check aqueous washes. Not recommended for pure oxygen or oxygen-rich systems, or as a sealant for chlorine or other strong oxidisers.

In Australia.

This is a regional approval.