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Changes in Anticorrosion Forms of Plastic-coated Steel Pipes

Views: 1     Author: Site Editor     Publish Time: 2022-10-12      Origin: Site

The anti-corrosion of plastic-coated steel pipes was developed from the earliest inner and outer polyethylene. Due to adhesion problems, it developed into inner and outer epoxy, but the outer epoxy layer was not resistant to bumping. Later, it developed into the third generation of inner epoxy and outer polyethylene, but single-layer polyethylene. There is still an adhesion problem when directly combined with the steel pipe, and finally upgraded to the fourth generation of anti-corrosion - 3PE external anti-corrosion fused epoxy powder internal anti-corrosion pipe. The outer 3PE inner sintered epoxy composite steel pipe is widely used in the water conservancy industry, municipal industry, and long-distance water pipelines, such as South-to-North Water Diversion Project


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