Cleans and polishes stainless steel, cookware, sinks, cooktops, non-stone countertops, ceramic, porcelain, and copper Cleans sinks, tubs, showers, toilets, faucets, tile and grout in bathrooms Use for general household restoration projects, use on door and window hardware, knobs, and hard synthetic flooring Can be used outdoors to remove plant stains and pollution grime on hard surfaces, erases rust stains from concrete, masonry, and grout Cleans siding, boats, bikes, grills, tools and sports equipment. Do not use on gold, silver, polished stone or areas that are lacquered, painted, or mirrored. Superior removal of rust, lime, hard water and mineral deposits. Mildly acidic, bleach-free. Removes tarnish, oxidation, grime and scuffs. Cleans, shines and restores stainless steel, copper, brass, ceramic, porcelain, chrome, fiberglass and other hard non-stone surfaces. Great for a variety of industrial applications, plus cookware, cutlery and deep-cleaning drained floors and grout. Application: Cleaning Services; Metal Fabricators; Food Service/Processors; Die/Mold Companies; Marinas; Schools; Health Care; Government Buildings; Applicable Material: Stainless Steel; Ceramic; Porcelain; Corian; Fiberglass; Copper; Brass; Acrylic; Chrome; Tile; Grout; Chemical Compound: Oxalic Acid; Dirt Types: Lime; Mineral Scale; Rust; Soil; Stains; Grease; Tarnish; Oxidation; Calcium.