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Henkel Adhesive Technologies

Henkel Adhesive Technologies

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Gasketing sealants


Black RTV silicone for rigid and flexible flanges on engine applications

Black form-in-place or cure-in-place silicone gasket/sealant for engine applications. Excellent bead height and profile. Easy to dispense.

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 5905 is a black, 1-part, thixotropic, oxime silicone, form-in-place gasket/sealant paste. It can also be used for selected cure-in-place applications. It has excellent bead height profile, is easy to dispense, and has good resistance to most engine fluids. Applications include rigid/flexible flange covers made from metal or plastic, timing covers, and oil sumps.

Product category:

Gasketing sealants




Cure type:

Moisture cure,Room temperature vulcanization (RTV) cure

Key characteristics:

Corrosion free,Mix: no mix required,Thixotropic

Number of components:

1 part

Physical form:


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