Sikaflex®-527 AT

Isocyanate-free sealant with reduced substrate preparation

Sikaflex®-527 AT is a 1-component Silane Terminated Polymer (STP) sealant that cures with exposure to atmospheric humidity. It is made for multipurpose elastic joints for both the interior and exterior of the vehicle body.  

  • Advanced STP technology
  • Good adhesion to a wide variety of substrates without primer
  • Fast curing
  • Excellent working properties
  • Can be reworked with a paint brush
  • Overpaintable
  • Low odour
  • Non-corrosive
  • Solvent- and isocyanate-free
  • Silicone- and PVC-free