Henkel Adhesive Technologies

Henkel Adhesive Technologies

Gasketing sealants


Highly flexible, chemical and oil resistant gasketing for rigid metal flanges

This highly flexible form-in-place anaerobic-curing gasketing sealant is designed for use on rigid metal flanged connections, particularly where there’s minor oil contamination of the flange surfaces. Works on aluminum substrates.

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Part no. (SKU/IDH)

LOCTITE® 5188, 50 ml Tube



If you need a gasketing product but your flange surfaces have minor oil contamination, choose LOCTITE® 5188. This highly flexible, single component anaerobic form-in-place sealant is designed for use on rigid metal flanged connections like gearboxes and engine casings, forms an instant seal, has excellent chemical resistance, and can be dispensed by hand or robotically with the appropriate LOCTITE® systems. Perfect for use on aluminum substrates where very good adhesion is achieved.



Chemical basis / base:

Dimethacrylate Ester



Fixture time, Steel:

25.0 min.

Gap fill, Unprimed:

0.25 mm

Key characteristics:

For machined, rigid flanges

Number of components:

1 Part

Operating temperature:

-55.0 °C - 150.0 °C (-65.0 °F - 300.0 °F)

Recommended for use with:

Metal: Aluminum,Metal: Steel

Viscosity, 20 RPM:

21000.0 mPa·s (cP)

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