Henkel Adhesive Technologies

Henkel Adhesive Technologies

Electrically conductive adhesives


Flexible sealant for electromagnetic interference shielding

This flexible, silicone based, electrically conductive sealant and adhesive perfect for electromagnetic interference (EMI) and radio frequency (RF) shielding​.

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Part no. (SKU/IDH)

LOCTITE® SI 5421, 50 ml Standard Cartridge

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When it comes to automotive sensor bonding and gasketing of EMI/RF shielded enclosures, LOCTITE® SI 5421 is ideal. This room temperature cure, 1-part formed-in-place silicone adhesive creates an electrically conductive bond for reliable shielding and adhesion performance. Expect low stress and high flexibility.



Cure schedule, @ 25.0 °C:

7.0 day

Cure type:

Room Temperature Vulcanization (RTV) Cure

Number of components:

1 Part

Shear strength, Aluminum:

58.0 psi

Storage temperature:

-20.0 °C

Volume resistivity:

0.01 Ohm cm

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