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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Loctite Technology Cluster Brand for Product Detail Pages

Specialty sealants


A silicone flange sealant liquid formulated for bonding, sealing and coating of components for the military, automotive and industrial markets.

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 5045 enhances the load bearing and shock absorbing characteristics of the bond area and provides protection and resistance against weathering, moisture, and ozone. The product relieves strain on fragile components while providing additional strength. LOCTITE SI 5045 is ideal for use in military, automotive, and industrial component bonding, sealing, and coating applications and retains its properties through severe environments and is suitable up to +392°F (+200°C).

Product category:

Specialty sealants


Agency approvals / certificates / specifications:




Cure type:

Room temperature vulcanization (RTV) cure

Key characteristics:

Strength: high strength

Number of components:

1 part

Physical form:


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