55 Gallon Drum (Metal) of Natural Soy Products Biodegradeable natural cleaner and adhesive solvent. An effective and safe cleaner: removes residue from labels, stickers, decals, grease, crayons, shoe polish, floor mastic and asbestos-based mastic. Natural Soy Products Adhesive and Mastic Remover is a n atural soy based, non toxic cleaner . Use on almost any surface to remove adhesives and mastic. 100% all natural ingredients. Rinses with mild soap and water. Soy based formula Use to refill 22 oz spray bottles or use your own bottles or sprayer. Bio-based content is 61% as tested by Iowa State University using conventional radiocarbon analytical methods. Eliminates sticky surfaces. Environmentally friendly,Non-toxic,No caustic fumes. Rinses with mild soap and water. Biodegradable.Non flammable, Non abrasive. Made in USA.