Polyken 226 Nuclear Grade Duct Tape is a polyethylene coated cloth tape meeting nuclear regulations. It is durable, resists tearing, and has high conformability. Polyken 226 also has superior tack and adheres tightly to many surfaces. It has multiple uses in power plants and ships. For use with nickel-based alloys and austenitic stainless steels. Also for holding dosimeters, sealing insulation, color coding, wrapping pipe ends, sealing duct work and packaging. Can be used outdoors. Meets NRC and ANSI regulations.