Easy sanding paint used to fill depressions and surface irregularities in order to obtain a smooth, uniform surface before applying the finish coat.
Part of the preparation process for painting a model. See also, primer. Surfacer is usually clear, and not only helps paint stick, but prevents agains model meltdown from clashing paints and surfaces
A coating applied after the primer. Used to build up the surface and fill minor scratches. See Primer-Surfacer.