Formulated to remove stubborn deposits of built-up grease and baked-on carbon from aluminum kitchen utensils, pots and pans, fryer baskets and trays, as well as removable parts from grills, stoves, barbecues, exhaust fans, hoods, and filters. Non fuming and non-flammable. Safe for use on aluminum. Lighter metal alloys such as tin may etch if soaked for more than one hour. Not recommended for use on items that are painted, varnished or have Teflon surfaces.