Non-toxic formula Non-corrosive Non-flammable Ready to use (no dilution required) BlitzSolv RTU is an industrial cleaner and degreaser designed to tackle the toughest jobs. It quickly penetrates and removes heavy-duty petroleum-based soils from concrete, machinery, engines, floors, walls, etc., while being non-toxic, non-corrosive, and non-flammable. It's easy to use - just spray it on any surface not harmed by water and watch as dirt and grime disappear right before your eyes!