Cleaner 226 Model 226 Sika Cleaner 226 is a general purpose surface cleaning and adhesion promoting solution for the pre treatment of bonding surfaces prior to bonding or sealing with Sikaflex products. Sika Cleaner 226 improves adhesion and gives a more weather resistant bond or seal on a variety of substrates, particularly metals, many plastics, many types of paints and lacquer finishes.Isopropyl alcohol based surface cleaner with moderate adhesion promotersGenerally safe on cured painted surfaces test first ideal for use near adjacent finished surfacesRequired with Sika Primer 209 on plastic windows Do NOT use in place of Sika Aktivator when direct bonding mineral glass, or to clean off excess Sikaflex use Mineral SpiritsWhere stronger solvent cleaning action and adhesive promotors are required, use Sika AktivatorPlease refer to the Sika Primer Chart, on the Sika Industry USA website, for specific application information for both products and substrates