A high-solid-content nanocoating for on-site repair of pipeline internal walls to prevent corrosion

2025-02-14View Original

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The image below shows buried pipelines for petrochemical wastewater; the inner walls of these pipelines (φ820) are coated with anti-corrosion materials. Each pipeline is 12 meters long, and its inner walls have been treated with anti-corrosion coatings. On-site welding requires filling of the weld bead, with the required thickness for each fill being over 200 micrometers. A titanium nanopolymer coating was used for on-site patching, with a thickness of over 200 microns achieved after a single application. It has performed well over more than a decade of use.

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A high-solid-content nanocoating for on-site repair of pipeline internal walls to prevent corrosion

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