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3PE anti-corrosion steel pipe processing method

Views: 1     Author: Site Editor     Publish Time: 2023-04-17      Origin: Site

The processing methods of 3pe anti-corrosion steel pipe are generally divided into two types: winding type and round mold coating type; they are all composed of 3 layers: 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 the actual operation, the three materials are mixed and integrated, and processed to make them firmly combined with the steel pipe to form an excellent anti-corrosion layer. (After anti-corrosion, it also has good corrosion resistance and impact resistance under low-temperature conditions, and the water absorption rate of PE is low (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 fast construction, the service life can reach 30-50 years. Therefore, 3pe anti-corrosion steel pipes are widely used in natural gas, petroleum, chemical industry, 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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