Contains a dual-action stripping formula that begins by attacking the paint system on contact, then penetrates into the paint system and delaminates it from underneath for complete paint removal. The unique paste formulation clings to and tenaciously attacks multiple layers of almost any coating system. Easy to work with and easy to clean up, Piranha NexStrip Pro can be used on interior and exterior surfaces. Super strength dual-action stripping formula. Removes the most stubborn paint systems. Non-flammable. Methylene chloride free. No neutralization required.