Structural Bonding - Silicones

Silicone adhesives are selected mainly for their capability to elastically absorb and/or compensate dynamic stresses, in addition to the load transmission properties of the adhesive assembly. Besides their elastic properties, many elastic adhesives from Henkel exhibit a high inherent strength (cohesion) and a relatively high modulus, achieving friction-locked joints which, at the same time, have elastic properties.

Advantages and Considerations

Advantages Considerations
  • Flexible bonding
  • 1- or 2-component solution
  • Outstanding temperature and UV resistance
  • Excellent chemical resistance
  • Two parts require mixing
  • Primer may be needed for adhesion to some substrates
  • Limited tear resistance

  • Simplifies construction by increasing strength/rigidity to withstand dynamic loads
  • Prevents material fatigue and failure by achieving uniform transmission of the load (stress distribution) and by maintaining the structural integrity (no thermal or mechanical weakening of parts)
  • Saves production costs by replacing conventional mechanical fasteners (screws, rivets or welding)
  • Allows the most varied substrate combinations, e.g. metal/plastics, metal/glass, metal/wood etc.
  • Reduces and/or compensates stress caused by differential thermal expansion of joint substrates
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