Silicone adhesive sealant Sikaflex®-527 AT

silicone adhesive sealant
silicone adhesive sealant
silicone adhesive sealant
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Chemical composition
silicone, polymer
Number of components
for auto body, repair
sealing, fast, construction, for coating, for plastics, for construction, professional
Other characteristics
elastic, solvent-free


Isocyanate free sealant with reduced substrate preparation Sikaflex®-527 AT is a 1-component Silan Terminated Polymer (STP) sealant that cures at exposure to atmospheric humidity. It is made for multipurpose elastic joints for interior and exterior of the vehicle body. Sikaflex®-527 AT adheres well to most materials commonly used in body shop. - Fast curing - Excellent working properties - Over paintable with water-based paint systems - 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 odor - Non-corrosive - Solvent and isocyanate-free - Silicone and PVC-free Areas of Application Sikaflex®-527 AT is suitable for sealing, seam sealing, simple bonding as well as for vibration reduction and sound dampening measures in collision repair and vehicle body construction. It adheres well to most the materials commonly used in body shops, e.g. metal primers and paint coatings, metals, painted plastics and plastics. Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-527 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 to ensure adhesion and material compatibility.


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