Changes in Anticorrosion Forms of Plastic-coated Steel Pipes
Update:2022-05-17 View(s):693 Keywords :Changes in Anticorrosion Forms of Plastic-coated Steel Pipes
The anti-corrosion of plastic-
coated steel pipes developed from the earliest inner and outer polyethylene to inner and outer epoxy, and later developed to the third generation of inner epoxy and outer polyethylene, and finally upgraded to the fourth generation of anti-corrosion-3PE external anti-corrosion fused epoxy powder internal anti-corrosion tube.