SE-678 is a two-component sanding epoxy primer/sealer; this 100% epoxy primer is a 4:1 mixing ratio with good film build and exceptional anti-corrosion properties for DTM Applications. It has exceptional adhesion to properly sanded and cleaned bare metals, including aluminum. As a sealer SE-678 levels to a nearly texture-free surface with excellent gloss holdout. It can be sanded, when needed. SE-678 is V.O.C. compliant in North America at 2.1 V.O.C.