Black 9 mil Low Density Polyethylene Film Tape 3" x 60 yard RollA 9.0 mil (0.229mm) total thickness. 5.5 mil low density polyethylene film coated on one side with a synthetic rubber adhesive. Remains permanently tacky and bonds well to most surfaces over a wide range of temperatures; excellent low temperature bond. Tough polyethylene backing offers good abrasion and tear resistance. Highly conformable, waterproof and resistant to chemical deterioration. 3" paper core.