Intercoastal Low VOC Universal Enamel/Primers exhibit excellent adhesion to a wide variety of substrates, including anodized aluminum, galvanized steel, and various alloys. Not only are they fast dry/fast packing like their QS and QSA counterparts, these products are formulated with a 3.4 pounds per gallon VOC (407.7 grams per liter). As if this wasn’t enough for one package, these products can withstand 1500 hours of salt fog testing.