Smart Strip Auto Oil & Grease Remover is a highly effective emulsifier engineered to penetrate deep into substrates to remove years of automotive stains caused by grease, brake and transmission fluids, motor oils, and gasoline spills. Works quickly on almost all automotive surfaces (including hoods, doors, bumpers, etc.), engine and machine parts, tools, and other smooth surfaces. For porous surfaces like concrete, pavers, asphalt, garage floors, driveways, gas stations, factories, basements, and auto shops, allow about 20 minutes for the product to penetrate the substrate before removing.Smart Strip Auto Oil & Grease Remover works on virtually any automotive vehicle. Cars, trucks, vans, and SUVs are perfect, as well as non-traditional “automobiles” like construction vehicles, dump trucks, trains and trolleys, buses, and heavy loaders. Keep tools and machinery that work on vehicles clean as well!Smart Strip Auto Oil & Grease Remover is non-flammable, non-corrosive, non-toxic, contains zero VOC, 100% degradable, and produces no hazardous fumes. Not recommended for use on copper, zinc, aluminum, drywall, plywood, wood surfaces, gypsum, veneer, or most plastics.Since 1981, Dumond has developed and manufactured best in class cleaners, paint removers, encapsulates, graffiti removers, and innovative DIY and professional products. Do it Yourself with Dumond!