Duct and Insulation Tapes 600 Series   –  Economy nuclear grade, polycoated cloth, indoor/outdoor usage   –  Economy nuclear grade; polycoated cloth; indoor/outdoor usage; high tack, natural rubber adhesive. For use in construction and maintenance of nuclear power plants: conformable and adheres to most surfaces. Meets Specs: ANSI No. 45.2.2; ASME NQA-1; NRC Guide 138.   –  Carolina Tape   –