Apr 13, 2020 · D. Solar cats eyes road studs iInstallation process. 1. Location: The installation area of solar road studs should be level, dry and free of water, clean and free of cracks. 2. Glue mixing: A glue for solar cat eyes and B glue for solar cat eyes. The mixing ratio is 1: 1 (for example, 1 kg for A glue and 1 kg for B glue), and 20% cement is