Sikaflex-252 is an elastic one-component polyurethane adhesive specially developed for bonding large assemblies in vehicle construction. Sikaflex-252 is suitable for bonding coated metal, GRP, ceramic materials and plastics. Sikaflex-252 is suitable for assemblies that are exposed to dynamic loads. Suitable substrates are wood, metals, especially aluminium (also anodised), sheet steel (also phosphated, chromated or galvanised), metal primers and paints (two-component systems), ceramic materials and plastics. Follow manufacturer's recommendations before using Sikaflex-252 on materials subject to stress cracking. Preliminary tests must be carried out on original materials to avoid stress cracking. This product is suitable for experienced users only. To ensure adhesion and material compatibility, preliminary tests must be carried out with original materials under the respective conditions.