Sikaflex®-527 AT

Isocyanate free sealant with reduced substrate preparation

Sikaflex®-527 AT is a 1-component Silan 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. Sikaflex®-527 AT adheres well to most materials commonly used in body shops.  

  • Fast curing
  • Excellent working properties
  • Over paintable with water-based paint systems
  • Good adhesion to a wide variety of substrates without primer
  • Ageing and weathering resistant
  • Low odour
  • Non-corrosive
  • Solvent and isocyanate-free
  • Silicone and PVC-free