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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Loctite Technology Cluster Brand for Product Detail Pages

Light curing adhesives


Highly flexible, multipurpose, silicone liquid adhesive 

This transparent liquid adhesive is ideal for elastic bonding, coating and sealing glass, metals and ceramics. Cures to a highly flexible elastomer. 

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® SI 5091 is a dual cure (UV light/humidity) transparent, silicone liquid adhesive that cures to a highly flexible elastomer. A great choice for elastic bonding, coating and sealing glass, metals, ceramics and plastics. You can expect a tack-free and fixture time of up to 30 seconds, and a service temperature of -76ºF to 356ºF (-60ºC to 180ºC). 

Product category:

Light curing adhesives




Key characteristics:

Secondary cure system: atmosphere,Wavelength for cure: UV

Specific gravity, @ 25.0 °C:


Viscosity, Brookfield - RVT, @ 25.0 °C:

4000.0 mPa·s (cP) - 6000.0 mPa·s (cP)

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