Pipe wrapping tape for underground Coating

Inner Wrapping tape: consist of High density polyethylene as backing layer and butyl rubber, synthetic resins as adhesive layer. It always called anti corrosion tape,Inner tape, Inner wrap tape, inner layer tape, innerwrap tape. The backing is more thinner, and the adhesive is more thicker.the color is black. 

Outer Wrapping tape: consist of Low density polyethylene as backing layer and butyl rubber,synthetic resins as adhesive layer.It always called Mechanical tape,outer tape,outer wrap tape,outer layer tape,outerwrap tape.The backing is more thicker with afew adhesive The color is White. 

When we applied the wrapping tape, we have to clean the steel pipe, and brush the primer, and then wrap the inner wrapping tape first ,and then,wrap the outer wrapping tape. 

Inner wrapping tape and outer wrapping tape is similar with. Have a good corrosion resistance and long life.