Advantages of natural gas 3pe anticorrosive steel pipe

　　Natural gas 3pe anti-corrosion steel pipe This three-layer coating system combines the excellent properties of single-layer epoxy and polyethylene coatings. Natural gas 3pe anti-corrosion steel pipe meets the requirements of operating temperature (90 ° C) and improves the resistance of the coating system. Cathode peeling and adhesion strength, three-layer structure polyethylene anticorrosive coating has excellent mechanical protection and adhesion properties.

　　It can withstand the stress caused by the movement of the soil caused by vibration and temperature changes, and can resist the impact stress of sharp stones on the pipe surface. The resistance of the water supply polyethylene anticorrosive coating in the community is high, which will greatly reduce the installation and maintenance costs of the cathodic protection system. The current density of the cathodic protection of the three-layer structure polyethylene anticorrosive coating pipeline is less than 10 μA * m2.

　　Epoxy resin powder has high adhesion, peeling properties, chemical barrier properties and oxygen resistance. The polymer coating and the epoxy resin bottom layer have good chemical adhesion, and the natural gas 3PE anticorrosive steel pipe can resist the shear force caused by soil movement and temperature change. High-density poly surface coating has a good barrier effect against moisture, can protect the epoxy resin bottom layer and polymer coating, has strong resistance to mechanical damage, peeling, and low cathodic protection current, and has a wide temperature range (from 5 to 0 8 zero ° C).

　　The combination of three-layer structure polyethylene anticorrosive coating is characterized by the combination and enhancement of the three coatings. The three-layer coating has strong chemical adhesion. The performance and characteristics of each layer make the three-layer coating complement each other. This three-layer anti-corrosion coating is integrated into a three-in-one form, and makes the overall chemical and mechanical properties reach a good degree. It combines the good adhesion properties of epoxy resin, chemical resistance and mechanical properties of polyethylene coating Strength and protection.

　　Natural gas 3pe anti-corrosion steel pipe is widely used in anti-corrosion projects of metal pipelines such as gas, oil, and water. Steel pipe is preheated. The steel pipe treated with fine dust should be preheated before epoxy powder coating. The natural gas 3pe anticorrosive steel pipe is heated by a KGPS-750uw constant power intermediate frequency machine. The preheating temperature must meet the requirements of the environment. The temperature required for oxygen powder coatings, but the maximum temperature must not exceed 275 ° C.