2-component primer for rapid insulation of sandblasted surfaces or bare metal sheets in the context of an automotive repair paint. For clean and sanded substrates such as steel and, above all, aluminum, hardened substrates, two-component fillers and old paint. Excellent adhesion and excellent anticorrosive protection especially on aluminum. Application: 1-2 coats of 15 microns. Flash-off time: 5 min. Drying: from 10 to 25 min./20°C. Pot life: 96 hours / 20 ° C.