Sikaflex®-529 AT

Isocyanate-free, sprayable sealant for vehicle bodies

Sikaflex®-529 AT is a sprayable 1-component Silane Terminated Polymer (STP) sealant that cures on exposure to atmospheric humidity.  It is used for seam sealing of factory provided original structures (surface areas and beads) for vehicle body assemblies. It adheres well to all the materials commonly used in body shops, e.g. metal primers and paint coatings, metals, painted plastics and plastics. Where applied, it improves the resistance against stone chip and other attacks to the car body.  

  • Easy to reproduce original structures
  • Excellent working properties with little overspray
  • Good adhesion to a wide variety of substrates
  • Spray and bead application
  • Very good non-sag properties
  • Overpaintable with water-based paint systems
  • Low odor
  • Good acoustic and damping properties
  • Solvent and isocyanate-free
  • Silicone and PVC-free