Metal Pre-Clean - All Metals Icluding Stainless Steel - 16oz Spray BottleAluminum isn't just tough to say, it's tough to clean too. Make the job easy with this corrosion killing organic formula. One spray then polish away with Aluminum Pre-Clean!Organic Salt formula. Non-flammable. Safer than traditional acids. Instantly removes heavily-encrusted corrosion, rust, calcium, lime, tarnish, grease, oil & water stains. Unmatched for its performance on aluminum (will not dull or haze aluminum), it is also safe for use on painted & fiberglass surfaces. Dot Classifications: Non Regulated.Safe On:GlassAluminumFiberglassStainless SteelPainted & Enamel finishesTileBrassCopperAcrylicsPlasticPerfect for Use On:Fuel TanksMag WheelsAlcoa WheelsDiamond PlateFramingStep PlateEngine PartsRusted SteelCar Wash Bays and WallsSnowmobile TunnelsFiberglass BoatsOutboard EnginesOutdrivesWater-Stained WindowsConcrete Equipment & TrucksNot For: Chrome, marble, some granite, Jura, Travertine or TerrazzoWARNING: This product can expose you to chemicals including Methanol which is known to the State of California to cause reproductive harm, and 1, 4-Dioxane which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.