Mipa 1K-Fast-Filler is a 1K repair filler for automotive use that has excellent filling power. It can be applied to sanded old paint layers, shop primers, and directly to steel. It sands and dries quickly, saving time. It is chromate and lead free. It sprays easily at a viscosity of 18-22 seconds and dries fully hard in under an hour when applied at a thickness of 40-50 microns. Proper thinning and application conditions ensure best performance.