3M Lightweight Body Filler repairs dents, dings, and other cosmetic imperfections on bare steel, aluminum, and fiberglass reinforced polyester (FRP). This automotive body filler may also be used on many industrial and architectural surfaces needing cosmetic repairs.3M Lightweight Body Filler comes in a creamy formula that is easy to mix, spread, and sand. Manufactured with only the highest quality ingredients, this auto body filler is vacuum processed to minimize pinholes. The filler cures tack free in 20 minutes with good handling characteristics. It resists loading sandpaper, so sanding is easier and you can use less abrasives. This is a two-component product that includes both filler and cream hardener.• Container Size: 1 Gallon• Volume 102 fl. oz. (0.8 gal.)• Handling Time: 3-5 minutes• Dry Time: 20 minutes• Paint Time: 45 minutes Creamy formula is easy to mix, spread, & sand Cures tack free in 20 minutes Two-component product includes both filler & cream hardener | 3M Lightweight Body Filler, 1-Gallon Can (102- oz by volume)