Henkel Adhesive Technologies

Henkel Adhesive Technologies

Instant adhesives


Instant component bonding - Surface insensitive, medium viscosity adhesive

This instant adhesive is ideal for difficult-to-bond materials such as porous and acidic materials. Also used in the assembly of disposable medical devices.

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

Part no. (SKU/IDH) 868371
LOCTITE® 431, 20 g Bottle

Size Please make your selection 20 g

Please contact us for ordering options



LOCTITE® 431 is a medium viscosity (medical device grade) instant adhesive designed especially for the fast bonding of plastics and rubbers. Using primer LOCTITE® SF 7701, the assembly of difficult-to-bond materials (PP, PE, PTFE) is possible. It has a fixture time of 15 seconds and is well suited for porous and/or acidic surfaces. LOCTITE 431 is tested to Henkel's ISO 10993 protocols for use in disposable medical devices.


Ultra Clear

Fixture time:

5.0 sec. - 10.0 sec.

Gap fill:

0.15 mm

Please contact us for ordering options

You might also need

  • LOCTITE SF 7070, ODC-Free Cleaner - 15oz Aerosol can (IDH 231562)

    General industrial cleaners

    LOCTITE® SF 7070


    Non-CFC, general-purpose cleaner for plastic parts​

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.