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3PE anti-corrosion steel pipe processing method

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The processing methods of 3pe anti-corrosion steel pipes are generally divided into two types: winding type and round mold wrapping type; they are all composed of a 3-layer structure: the first layer of epoxy powder (FBE>100um), the second layer of adhesive (AD) 170 ~ 250um, The third layer of polyethylene (PE) 2.5 ~ 3.7mm; in actual operation, the three materials are mixed and integrated, and after processing, they are firmly combined with the steel pipe to form an excellent anti-corrosion layer. (After doing this, it also has good corrosion resistance and impact resistance under low-temperature conditions, and PE has a low water absorption rate (less than 0.01%). At the same time, it has high epoxy strength, low water absorption of PE, and good softness of hot melt adhesive. etc., has high anti-corrosion reliability) and because such 3pe anti-corrosion steel pipes have extremely high sealing performance, the long-term operation can greatly save energy, reduce costs and protect the environment. Strong corrosion resistance, simple and quick construction, and 30-50 years of service life. Therefore, 3pe anti-corrosion steel pipes are widely used in natural gas, petroleum, chemical, electric power, heat, water supply, and drainage, steam heating, pressure steel pipes for hydropower stations, thermal power generation, water sources, and other long-distance transmission pipelines and piling, bridges, steel structures, and other engineering fields.




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