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.