3pe anti-corrosion steel pipe picture

Description :

　　3PE anti-corrosion steel pipe refers to a three-layer polyolefin coating (MAPEC) external anti-corrosion steel pipe, which is a commonly used type of anti-corrosion pipeline in China. Other anti-corrosion methods include IPNFBE epoxy powder and epoxy coal tar. Generally refers to the anti-corrosion of the outer wall of steel pipes. The third layer of polyethylene (PE) is 1.8-3.7mm. In practical operation, the three materials are mixed and integrated into one, and processed to firmly bond with the steel pipe to form an excellent anti-corrosion layer. Its processing methods are generally divided into two types: winding and circular mold wrapping.

　　The 3PE anti-corrosion steel pipe coating, also known as the three-layer polyethylene anti-corrosion coating, is a new type of anti-corrosion steel pipe coating that cleverly combines the European 2PE anti-corrosion coating with the widely used epoxy powder anti-corrosion steel pipe coating (FBE) in North America. It has been recognized and used worldwide for over ten years. The coating of 3PE anti-corrosion steel pipe is an epoxy powder anti-corrosion coating that contacts the bottom layer and the steel pipe surface. Continuously improve the surface treatment methods for steel pipes. As a new type of integrated building material for insulation and waterproofing, the application of polyurethane rigid foam insulation materials in the domestic construction industry is still in its initial stage. Fortunately, in order to accelerate the innovation of building insulation materials and promote the promotion and application of polyurethane rigid foam in the field of building energy conservation, a "Polyurethane Building Energy Conservation Application Promotion Working Group" has been established to promote the application of polyurethane rigid foam insulation and waterproof materials in the domestic building energy conservation industry.

　　As a building insulation material, polyurethane rigid foam breaks the traditional single function of building materials - waterproofing without insulation, insulation without waterproofing, and once the waterproof layer leaks, the insulation layer immediately loses its insulation function. Compared with other single function insulation or waterproof materials, polyurethane rigid foam has the function of one material with multiple uses, as well as many functions such as insulation, waterproofing, sound insulation, and vibration absorption. The thermal insulation performance is currently the highest among all building materials in China, with a thermal conductivity of * * * (≤ 0.024) and a thermal resistance value of * * *. Its thermal conductivity is only half that of EPS foam polystyrene board. There are already dozens of 3PE coating operation lines in China, which have the ability to process 3PE coatings on Φ mm steel pipes. The anti-corrosion coating of steel pipes is increasingly using composite materials or composite structures. Since 1999, when China Petroleum Pipeline Anti corrosion Engineering Co., Ltd. independently designed and manufactured the 3PE anti-corrosion production line for natural gas, the localization of 3PE anti-corrosion technology has accelerated. The overall 3pe anti-corrosion steel pipe market will be dominated by consolidation, and steel companies have shown a relatively cold attitude towards the rise in iron ore prices. Although mainstream variety resources are relatively scarce, steel mills have controlled their procurement frequency, which has suppressed the continuous rise in ore prices. It is expected that the supply and demand sides of the iron ore market will be deadlocked for a period of time in the later stage, and the overall 3pe anti-corrosion steel pipe market will be dominated by consolidation.

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