JAN EX STPC is a concentrated, non-phosphate, non- flammable, non-abrasive,heavy-duty, alkaline cleaner composed of water softeners, alkaline builders, watersoluble solvent, and biodegradable water based remover for various strippable temporary protective coatings. JAN EX STPC is safe for use on aircraft surfaces, including bare and alclad aluminum, stretched Plex 55, rubber, glass and painted surfaces.