Environmentally responsible. Easily removes multiple coats of Green Finish from any floor. Phosphate-free, butyl-free and caustic-free. Green Seal GS-40 certified. Non-corrosive per DOT to offer user safety and simplified shipping. Leaves no alkaline residue behind, simplifying rinsing and eliminating recoat problems. High activity - over 30% for maximum cost benefits and reduced inventory. Also strips standard, non-green finishes quickly and completely. Green Seal™ GS-40 Certified.