Permatex Spray Nine Grez-Off Heavy Duty Degreaser is a biodegradable, ready-to-use, water-based degreaser, formulated to quickly remove heavy-duty automotive soils, grease and dirt. Non-flammable and VOC compliant in all 50 states, this degreaser rivals traditional solvents. Suggested Applications include engines, machinery, tools, workbenches, garage floors/walls, asphalt, stainless steel, chrome, condenser coils, and exhaust hoods.