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3 PE anticorrosive steel pipe refers to the three layers structure of polyolefin coating (MAPEC) anti-corrosion steel pipe, is commonly used one kind of anticorrosive pipe in China. There are other IPN8710, FBE epoxy powder, such as epoxy coal tar anti-corrosion way.

3 PE anticorrosive pipe domestic executive SY/T0413-2002 standard. Main specification standard polyethylene and high density polyethylene, vicat softening point was not less than 110 ℃; Outside the thickness of the coating is given priority to with low, medium density polyethylene German standard to determine DIN30670-1991. Greatly improve the impact strength of 3 PE anticorrosive coating. 

3 PE anticorrosive for attention and application in China. Since acerbity NingLan pipeline construction, by means of bid invitation, together with all 3 PE anticorrosion material localization, 3 PE anticorrosive prefabricated prices have fallen sharply, began the age of 3 PE anticorrosion are widely used, so far, 20000 km of buried steel pipe anticorrosion USES 3 PE anticorrosive coating. At present domestic dozens of 3 PE coating production line, has the processing Φ 25-2800 - mm steel pipe of 3 PE coating capability.