Henkel Adhesive Technologies

Henkel Adhesive Technologies

Gasketing sealants


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

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LOCTITE® SI 5905 is a black, 1-part, thixotropic, oxime silicone, form-in-place gasket/sealant paste. The product 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.



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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