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Is 3pe anticorrosive steel pipe suitable for open air occasions
source：www.qdhxsj.com Release time：2023-11-10 Return list
The three-layer polyethylene (3PE) anti-corrosion coating has been widely used in the oil pipeline industry because of its good corrosion resistance, moisture permeability resistance and mechanical properties. 3PE anticorrosive steel pipe a anticorrosive layer is crucial for the life of the buried pipeline, the same material of the pipeline, some buried in the ground for decades without corrosion, and some leakage occurs in a few years. Because they use a different coating. Before anti-corrosion treatment of 3PE anti-corrosion steel pipe base steel pipe, it is necessary to check and record the steel pipe entering the pipe platform, carry out shot blasting to remove rust on the outer surface of the steel pipe, and then check whether the cleanliness of the outer surface of the steel pipe and the depth of anchor grain meet the requirements. If the steel pipe does not meet the requirements, it is polished by hand grinding wheel, and the tape paper is wrapped around the end of the pipe, and the dust is treated, and the medium frequency is heated to the required temperature. Spray coating of cyclooxygen powder, side winding of adhesive extruder, side winding of PE extruder, water cooling of anticorrosive pipe, spray marking of qualified products, down pipe platform, stacking for shipping. 3PE anticorrosive steel pipe 3PE anticorrosive steel pipe is a 3-layer structure polyolefin coated (MAPEC) external anticorrosive steel pipe, which is a common anticorrosive pipeline in China. There are also IPN8710, FBE epoxy powder, epoxy coal asphalt and other anticorrosive methods. Generally refers to the outer wall of the steel pipe anticorrosion.
Anti-corrosion structure steel pipe outer wall anti-corrosion form 3PE anti-corrosion generally consists of 3 layers of structure:
A layer of epoxy powder (FBE>100um) two-layer adhesive (AD) 170 ~ 250um The third layer of polyethylene (PE) 2.5 ~ 3.7mm in actual operation, the three materials are mixed into one, and the processing makes it firmly combined with the steel pipe to form an excellent anti-corrosion layer. Its processing methods are generally divided winding type and round die package compound two kinds.
3PE anticorrosive steel pipe coating (three layers of polyethylene anticorrosive coating) is a new anticorrosive steel pipe coating produced by combining the 2PE anticorrosive layer in Europe and the widely used epoxy powder anticorrosive steel pipe coating (FBE) in North America. It has been recognized and used around the world for more than a decade. The coating of 3PE anti-corrosion steel pipe is an epoxy powder anti-corrosion coating that is in contact with the surface of the steel pipe, and the middle layer is a copolymerization adhesive with branch structural functional groups. The surface layer is high-density polyethylene anticorrosive coating. The three pe anti-corrosion coating combines the characteristics of high impermeability and high mechanical properties of epoxy resin and polyethylene. So far, it is globally recognized as a pipeline anti-corrosion coating with good effect and good performance, which is applied in many projects. The inner wall of the steel pipe is divided into two kinds: one is hot melt epoxy resin powder anticorrosion (high temperature fusion), the other is liquid epoxy paint, commonly used liquid epoxy IPN8710 (cold spraying at room temperature).
Anti-corrosion structure steel pipe outer wall anti-corrosion form 3PE anti-corrosion generally consists of 3 layers of structure:
A layer of epoxy powder (FBE>100um) two-layer adhesive (AD) 170 ~ 250um The third layer of polyethylene (PE) 2.5 ~ 3.7mm in actual operation, the three materials are mixed into one, and the processing makes it firmly combined with the steel pipe to form an excellent anti-corrosion layer. Its processing methods are generally divided winding type and round die package compound two kinds.
3PE anticorrosive steel pipe coating (three layers of polyethylene anticorrosive coating) is a new anticorrosive steel pipe coating produced by combining the 2PE anticorrosive layer in Europe and the widely used epoxy powder anticorrosive steel pipe coating (FBE) in North America. It has been recognized and used around the world for more than a decade. The coating of 3PE anti-corrosion steel pipe is an epoxy powder anti-corrosion coating that is in contact with the surface of the steel pipe, and the middle layer is a copolymerization adhesive with branch structural functional groups. The surface layer is high-density polyethylene anticorrosive coating. The three pe anti-corrosion coating combines the characteristics of high impermeability and high mechanical properties of epoxy resin and polyethylene. So far, it is globally recognized as a pipeline anti-corrosion coating with good effect and good performance, which is applied in many projects. The inner wall of the steel pipe is divided into two kinds: one is hot melt epoxy resin powder anticorrosion (high temperature fusion), the other is liquid epoxy paint, commonly used liquid epoxy IPN8710 (cold spraying at room temperature).
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