... They can be used for the purposes of steel pipe surface corrosion resistance for various pipelines in facility projects ... , Butyl Tape, Butyl Rubber Tape) is for anticorrosion of field joints, fittings, & specifically piping. Component: backing: Polyethylene PE & adhesive: ... ) complementary product fills of joints / weld bead & have capability to smooth the surface of the pipe. N99: Solid content.P ...