... Structure: epoxy powder, copolymer gel, PE anti-corrosion layer 2, Applications: for water, oil, nature ga Quick Details Place of Origin ... 1, Structure: epoxy powder, copolymer gel, PE anti-corrosion layer2, Applications: for water, oil, natural gas transmission meAnti corrosion layers1.3PE ... the steel tube: 40—100μm (increase the surface area of the steel tube, also Improve steel adhesion)Widely used ...