... in five series of products, which are Inner Tape, Outer Tape, Joint Tape, Tape Primer, and Putty Tape with 10-odd categories in nearly 100 specifications ... of pipe and the surface of Inner Tape from damages. 1.3 Joint tape: (Polyethylene Tape, Polyethylene Tapes, PE Tape, Rubber Tape, Butyl Tape, Butyl Rubber Tape) is ...