Low viscosity black pigmented liquid which dries by reaction with atmospheric moisture. It is used for priming painted surfaces and plastic substrates prior to bonding with Sikaflex products. It is suitable for application on the following substrates: Plastics: Acrylics (PMMA), Polycarbonate and Polystyrene. Paints: Acrylics, Alkyds, Melamines, Baked Enamels and Powder Coatings.