CRL Sikaflex 220+ is a fast curing polyurethane based adhesive for bonding windshields. The chemical reaction starts as soon as the adhesive is extruded or the cartridge is opened. Cures to form a high-grade elastomer. S1KA220+ possesses outstanding working characteristics, excellent stability and thixotropy. Its fast rate of cure results in rapid strength development and shorter service times. In order to ensure that manufacturer's standards are met S1KA205 Glass Cleaner and S1KA206GP Pinchweld Primer must be used as needed. S1KA215 Primer must be used in PVC and EPDM applications.