This 3-layer PE anti-corrosion coating stands out with its three-layer composite structure, which combines epoxy primer, adhesive resin and PE topcoat to provide multi-level anti-corrosion protection. The epoxy primer provides excellent adhesion and rust protection for steel pipelines, the adhesive resin ensures tight bonding between layers, and the PE topcoat provides excellent barrier protection against water vapor, soil corrosion and hydrocarbon media. It has high resistance to cathodic stripping, ensuring stable protective performance under long-term cathodic protection conditions for buried pipelines. The coating can be applied via extrusion or tape wrapping, making it suitable for both large-scale long-distance pipeline projects and small-scale pipeline retrofitting. Unlike traditional single-layer anti-corrosion coatings, this three-layer structure provides more comprehensive and long-lasting protection for oil and gas pipelines.
Key specifications include a three-layer composite coating structure (epoxy primer + adhesive resin + PE topcoat), dry film thickness ranging from 300 to 400 microns, and a construction method of extrusion or tape wrapping. It has a temperature resistance range from -60°C to 80°C, making it suitable for both cold permafrost areas and tropical underground environments. The coating is available in rolls of 10 meters, with UV-resistant formulations for above-ground pipeline applications. It has a water vapor transmission rate of less than 0.1 g/(m²·24h), excellent resistance to crude oil, natural gas and hydrocarbon chemicals, and an operating pressure of up to 10 MPa. Additional features include high adhesion strength and compliance with global pipeline anti-corrosion industry standards.
This coating is ideal for buried oil and gas transmission pipelines, urban natural gas pipelines, offshore oil pipelines, chemical medium transportation pipelines and power cable protective pipes. It is suitable for both long-distance cross-country pipeline projects and urban pipeline network construction, helping pipeline enterprises reduce long-term maintenance costs and extend the service life of their pipelines to up to 30 years. The coating’s three-layer composite structure meets the industry standard for pipeline anti-corrosion protection, making it a reliable choice for global oil and gas pipeline projects.
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