Sikaflex®-252 is an elastic 1-component poly-urethane adhesive especially designed for bonding large components in vehicle assembly. It is suitable for bonding coated metal, GRP, ceramic materials and plastics. PRODUCT DATA SHEET. Sikaflex®-252. Version 03.01 (12 - 2023), en_US 012001212520001000. 1 / 2. PRODUCT BENEFITS.