Liquid nitrogen-based technology from NitroCision (www.nitrocision.com) uses ultra high-pressure liquid nitrogen to remove castings and coatings with precision, as well as cut or clean virtually any material.
The technology stems from a Department of Energy program that needed to cut storage tanks containing radioactive materials. Pressurized liquid nitrogen worked because it did not spark or catch fire, and it evaporated into the atmosphere, eliminating any secondary waste stream or contamination concerns.