2K Fast-Dry Acrylic Primer - Excellent filling properties as well as great adhesion to the puttied surface. Quick drying and easy sanding. Available in Grey/Black/White. Drying time: 2.5-3h at 20 Degrees Celsius. Drying time: 15-20min at 60 Degrees Celsius. Film thickness: 40-180μm. Normal coats: 1-2.