Skip to Content
Henkel Adhesive Technologies

Henkel Adhesive Technologies

Loctite Technology Cluster Brand for Product Detail Pages

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.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

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, 1-part, 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.

Product category:

Gasketing sealants




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)

Related industries and market segments

Recently viewed products

Request a consultation

Unplanned downtime or lower plant productivity can prevent you from achieving the manufacturing excellence that you are looking for. Consult with our experts to find ways to make your machine more reliable and reduce unplanned downtime to save costs.