1. It is consist of Polyethylene backing and Butyl rubber adhesive. 2. The color can be black, white, yellow and gray. Inner tape: (Anticorrosion tape, Anti corrosion tape, Anticorrosive tape) is for anticorrosion of underground, underwater, & overhead pipelines. Features:1) The specification of the tape consists of two layers, adhesive and film2) Inner layer: butyl rubber3) Outer layer: ...