¡¡Recently, the Chinese Research Institute of Petroleum Pipeline assume a new pressure-sensitive hot roast mending materials and flexible anti-corrosion materials research project, adopted by the West-East Gas Pipeline Company, China Petroleum Engineering Technology Research Institute and other organizations of acceptance, this break the foreign class anti-corrosion materials in the domestic market pattern of world domination, and greatly reduce the cost of the project.
¡¡According to reports, hot roast pressure sensitive tape is a new anti-corrosion materials butyl rubber-modified high-performance pressure-sensitive adhesive coated on the substrate forming a radiation cross-linked polyethylene, with a convenient construction, site installation time is short and other advantages, and a metal tube and a polyethylene layer have good cohesiveness. This technology is expected to find application in the country on a new pipeline-service pipe repair and mending.
¡¡Flexible anti-corrosion materials both solid and liquid dual characteristics, excellent water permeability, good resistance to cathodic stripping performance, convenient construction, surface treatment on the tube low-level requirements. Product deformation is good, especially for special-shaped pieces of anti-corrosion valves, tees and the like.
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