Our famous foaming degreaser is water-soluble, non-flammable, non-corrosive and biodegradable. It is especially designed to safely accomplish heavy duty cleaning. S-722 is user-safe and environmentally biodegradable. Its unique foaming action puts millions of powerful bubbles to work on any type of surface. The foam adheres to vertical surfaces and allows the chemical to clean for you. You can actually see the powerful S-722 foam dissolve and loosen dirt and grime, and float it away. Soiled foam may be wiped, rinsed, or blown away with compressed air.