FUNCHEM®306™ is an acidic environmentally safe detergent, 90% biodegradable, contain no Ethylene Diamine Tetra Acetate (EDTA) or Alkylphenol Ethoxylates (APEO). Formulated with blended inorganic acids, moderate foam, rapidly remove contaminates from Water Scale, Soap Scale, Body Fats & Oil, Organic Dirt, Stubborn Stains, Rust Marks, Ferrous Oxides, Carbonic Soot, Mortar Splashes and Dead Algae …etc on most types of hard surfaces, such as old marble, bricks, aged terrazzo, mosaic tiles, granite, concrete floors and walls, ceramic tiles & shanghai plaster with limited corrosive effect. Cationic Quaternary Ammonium Compound (QAC) also included to enhance the disinfection function.