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Henkel Adhesive Technologies

Henkel Adhesive Technologies

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Adhesive primers


Instant adhesive primer for difficult-to-bond materials

Primer for making polyolefin and other low-energy surfaces suitable for bonding with LOCTITE® instant adhesives. Only recommended for difficult-to-bond substrates.

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

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LOCTITE® SF 770 is a primer for making difficult-to-bond substrates and low energy surfaces suitable for bonding with LOCTITE® instant adhesives. Ideal for polyethylene, polypropylene, polytetrafluoroethylene (PTFE) and thermoplastic rubber materials, it fluoresces for quality control and inspection. Not recommended in assemblies where high peel strength is required.

Product category:

Adhesive primers


Application method:



Ultra clear

Key characteristics:

Adhesion: improves adhesion,Solvent based

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