LOCTITE® SI 5421

Features and Benefits

This flexible, silicone-based electrically conductive sealant and adhesive is perfect for electromagnetic interference (EMI) and radio frequency (RF) shielding.
LOCTITE® SI 5421 is a room-temperature cure, 1-part formed-in-place silicone adhesive. Ideal for automotive sensor bonding and gasketing of EMI/RF shielded enclosures, it creates an electrically conductive bond for reliable shielding and adhesion performance. Expect low stress and high flexibility.
  • Low stress bonding
  • Room temperature cure
  • EMI shielding
  • Flexible
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Technical Information

Applications Gasketing
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