3PE anticorrosive coating steel pipe anticorrosive principle

The anticorrosive coating steel pipe is a very common pipe fitting, which has many applications in life. Among them, 3PE anticorrosive coating steel pipe is one of them. 3PE anticorrosive coating steel pipe has won unanimous praise from everyone for its excellent performance.

3PE ordinary grade anticorrosive coating steel pipe refers to the three-layer structure polyolefin-coated external anti-corrosion steel pipe, which is a commonly used anti-corrosion steel pipe for pipelines in China. The three-layer polyethylene anti-corrosion structure includes the first layer of epoxy powder, the second layer of adhesive, The third layer of polyethylene, the three-layer anti-corrosion structure is the key to 3PE anticorrosive coating steel pipe.

3PE anticorrosive coating steel pipe advantage

Although the above structure briefly introduces the anti-corrosion principle of 3PE anti-corrosion pipe, there are too many anti-corrosion technologies used in anti-corrosion pipes, and many friends are not very familiar with these anti-corrosion technologies, so let me introduce the anti-corrosion technology of 3PE anti-corrosion pipes. At present, in 2PE/3PE anti-corrosion pipes, 2PP/3PP anti-corrosion pipes, the main advantages of these pipes are reflected in these points.

1. The anti-corrosion pipe effectively combines the mechanical strength of the steel pipe itself and the corrosion resistance of the plastic.

2. The outer wall coating reaches 2.5mm or even exceeds 2.5mm.

3. The internal resistivity is small and the energy consumption is low.

4. The inner wall has high hygiene requirements.

5. The inner wall has a self-cleaning function, so it will not scale and block.

What is IPN8710 anti-corrosion coating?

IPN8710 anti-corrosion coating is a common epoxy drinking water tank coating, which is made of polyurethane resin and modified epoxy resin, anti-rust coating and additives, etc. Therefore, IPN8710 anti-corrosion coating has excellent properties, such as good toughness of the coating, strong adhesion, wear resistance, rust resistance, corrosion resistance. At present, it has been widely used in underground pipelines, including underwater structures and wharf steel piles buried under various soil conditions.

The main purpose of IPN8710 anticorrosive coating steel pipe

It is a water supply pipe such as steel pipes for drinkable water, but it is also used for the topcoat of various equipment, such as petroleum, chemical, electric power, metallurgy, transportation, food, gas cabinets, pipes, etc. Steel structures and concrete surfaces can be used as long-term anti-corrosion coatings, as well as anti-corrosion coatings for the inner and outer walls of buried pipelines and anti-corrosion coatings for the inner walls of cooling towers. Cyanide anti-corrosion coatings are aromatic polyurethanes with excellent chemical resistance, heat resistance and radiation resistance, good physical and mechanical properties of coatings, high strength, abrasion resistance and gloss and excellent corrosion resistance. The coating is resistant to oils, alkalis, acids, salts and industrial exhaust gases. It is mainly used for anti-corrosion of concrete surfaces, chemical equipment, pipelines, oil tanks, sluices, dams, docks, mines and other facilities or equipment.

Common anti-corrosion coatings include:

(1) Epoxy resin anti-corrosion coating has the advantages of strong adhesion, acid and alkali resistance, and low shrinkage rate, so it is widely used for anti-corrosion of internal and external walls of pipelines. However, the shortcomings of this coating material are also very obvious, and the paint film is easy to powder. Water resistance will deteriorate under certain conditions. And the paint film itself will become white and brittle.

(2) The raw materials of asphalt anti-corrosion coatings are easy to obtain, low in price, resistant to dilute alkali and dilute acid corrosion at room temperature, and the paint film has good elasticity and fast drying. It is often used as a waterproof layer. However, it should be noted here that asphalt coatings are not resistant to various Organic solvents and strong oxidizing agents, and brittle at low temperatures.

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