Silicone adhesive sealant flex®-529 AT

polymersingle-componentrepair

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 reproduces 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 Over paintable with water based paint systems Low odor Good acoustic and damping properties Solvent and isocyanate-free Areas of Application Sikaflex®-529 AT is designed for use as a sprayable elastic sealant for seam sealing, lap joints and stone chip protection in collision repair and vehicle body construction. Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-529 AT on materials prone to stress cracking. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed ensuring adhesion and material compatibility. Surface preparation Surfaces must be clean, dry and free from grease, oil and dust. Surface treatment depends on the specific nature of the substrates and is crucial for a long lasting bond. Suggestions for surface preparation may be found on the current edition of the appropriate Sika® Pre-treatment Chart.