... of Inner Tape from damages. 1.3 Joint tape: (Polyethylene Tape, Polyethylene Tapes, PE Tape, Rubber Tape, Butyl Tape, Butyl ... of field joints, fittings, & specifically piping. Component: backing: Polyethylene PE & adhesive: butyl rubber Thickness: 0.38mm to 1.27mm ... polyethylene tape. P19: Solid content 19%; P27: Solid content 27%. 1.5 Putty Tape: (Putty Filler, Mastic Tape) complementary product ...