Removes grease, oil, wax, gum, dirt, dye, ink, soap tallow, smudge, light carbon, etc. Can be used on metal, plastic, rubber, porcelain, composition, concrete, and wood surfaces. Degreaser removes old grease and soil from concrete and terrazzo floors. Contains a rust inhibitor. Can be used to remove lubricating oil and similar soil from tools, parts, engines, and airplanes without danger of rust or corrosion. Biodegradable, contains no phosphates, is nontoxic, nonflammable, and noncorrosive. 1 gallon.