BENEFITS: Our most rapid and powerful paint and varnish remover. Strips alkyd, acrylic, epoxy, vinyl, and polyurethane sealers. Flushes off with water. Safe to use on aluminum, brass, copper, steel, iron, stainless steel, and concrete. Clings to vertical surfaces. Non-flammable. USDA applicable, C3. NOTE: DO NOT USE THIS PRODUCT ON AIRCRAFT OR AIRCRAFT MATERIALS.