Several processes of common plastic coated composite anti-corrosion steel pipe

Plastic coated composite anti-corrosion steel pipe is divided into: hot dipping process, internal and external spraying process, rotomolding process, drenching process, suction coating process, fusion bonding winding process, etc.

Hot dipping using: fluidized bed dipping, one-time film-forming method. Also known as the first generation of plastic coated steel pipe anti-corrosion, inside and outside polyethylene.

Inside and outside spraying process: the use of electrostatic adsorption theory, through the steel pipe pretreatment, spraying polyethylene or epoxy resin powder with a spray gun. Also known as plastic coated steel pipe second generation of anti-corrosion, internal and external epoxy composite steel pipe.
Drenching process: also known as curtain method, through the sieve containing powder using the drenching method, coated on the outer wall of the heated steel pipe.

This process can be produced outside polyethylene within the epoxy composite steel pipe. Also known as plastic coated steel pipe third generation of anti-corrosion.

Fused knot winding process: using the hot knot winding method, hot melt adhesive and polyethylene in the form of extruder winding on the heated steel pipe, the reaction to form a three-layer structure, the full name is fused epoxy / extruded polyethylene structure protection layer.

This process can produce outer three-layer structure polyethylene inner fusion bonded epoxy composite steel pipe. Also known as plastic coated steel pipe fourth generation of anti-corrosion

Tianxiangcheng pipeline can undertake steel pipeline single and double fusion bonded epoxy powder (FBE), double polyethylene (2PE) and three layers of polyethylene (3PE), double poly (2PP), and three layers of poly (3PP), epoxy coal asphalt a cloth three oil or (two cloth four oil) steel pipe anti-corrosion, polyurethane prefabricated direct buried insulation pipe, black and yellow jacket insulation pipe, IPN8710 polymer non-toxic epoxy anti-corrosion, inside and outside Spraying epoxy series steel pipe anti-corrosion, interpenetrating network coating epoxy resin anti-corrosion, high-density polyethylene anti-corrosion, steel pipe inner wall cement mortar lining anti-corrosion, steel-plastic composite pipe, plastic-lined cold water with steel pipe, plastic-lined hot water with steel pipe, steel pipe outside galvanized inside plastic-lined anti-corrosion, sanitary standard plastic-lined anti-corrosion, anti-corrosion pipe fittings, steel pipe anti-corrosion series of coatings, prefabricated direct buried pipe insulation anti-corrosion, etc. The company produces a variety of anti-corrosion coatings, the main products are IPN8710 polyurethane polyethylene anti-corrosion coating, epoxy coal bitumen anti-corrosion coating, solvent-free epoxy resin anti-corrosion coating; can undertake the inner wall of steel pipe, the outer wall of epoxy coal bitumen a cloth three oil or (two cloth four oil) steel pipe anti-corrosion, steel pipe inner wall cement mortar lining anti-corrosion pipe, IPN8710 anti-corrosion processing. The company has advanced process equipment and complete testing means. With advanced testing equipment, we have established a perfect quality assurance system and passed the ISO9001:2000 international quality system certification. Our products are widely used in oil pipelines, natural gas pipelines, urban heating pipelines, water supply pipelines, electric power and other anti-corrosion projects. We have participated in the completion of many long-distance oil, gas and water pipeline anti-corrosion and insulation projects in China, and also participated in the completion of pipeline anti-corrosion projects for export to Indonesia, Sudan, Saudi Arabia and South Africa, and the quality of our products and services have been well received by our customers.

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