Debond Marine Formula. 10 oz aerosol. Removes polyurethane adhesives and sealants including cured and uncured 3M 5200, 4200 and 4000 & Sika 291 adhesives as well as Liquid Nails. Works extremely well at removing all masking tape, shrink wrap tape, black rub marks, and etc. Won't harm fiberglass, gel coat, clearcoat, 2-part paint systems, or plexiglas.