Identification method of TPEP anti-corrosion steel pipe

The inside of TPEP anticorrosive steel pipe is dark gray, not sky blue, milky white or other colors, some manufacturers on the market claim that epoxy anticorrosive steel pipe is not dark gray inside, which is a big misunderstanding.

Epoxy resins refer to polymer prepolymers containing 2 or more epoxy groups of aliphatic, alicyclic or diol structure as the main chain, typically bisphenol A type epoxy resins

TPEP anticorrosive steel pipe material explanation

Oxygen resin material has a good flexibility, chemical resistance, corrosion resistance and adhesion. Thermosetting composite powder for coating of bisphenol A type epoxy resin has a different molecular structure for usually 1300-2300, polymerization degree is less than 4, the average epoxy value of 0.12, that is, type 4 solid ion resin, or E-12, softening point 66- common ℃. Common curing agents are dicyandiamide, imidazole, anhydride and dihydrazide.

Changing the proportion of polyester and epoxy resin can achieve the goal of reducing the cost of pipeline anti-corrosion processing, and different proportions are also applied to their own different fields, such as 60% epoxy resin and 60% polyester resin powder coatings for electrical appliances and large and medium-sized electrical appliances

However, we are involved in the water supply pipeline, involving the quality supervision of water supply products, which points out a higher and more stringent requirement for the internal selection of epoxy paint, and must not change the proportion casually, the use of a mixed resin may be the use of some fake epoxy paint, so it is not able to effectively meet the construction standards of water supply pipelines.

TPEP anticorrosive steel pipe selection of high-quality epoxy paint, internal smooth, hydraulic slope is small, through China's various authorities, and obtained provincial drinking water sanitation, environmental safety products and health services approval, so it seems that its market prospects are very large.

Anti-corrosion piping knowledge

Due to its material and processing technology, the anti-corrosion pipeline has a long service life, large molecular structure, good reliability, and anti-aging. Under normal operating temperature and pressure, the service life can be guaranteed for more than 50 years, and long-term operation can still save a lot of resources and significantly reduce energy costs

In addition, it has a strong waterproof and anti-corrosion ability, which can resist the chemical corrosion of natural gas, liquefied gas, artificial gas, etc., and the chemical substances in the soil have no dissolution function for the pipeline

In addition, the anticorrosive pipeline is light in weight, convenient in operation, easy in construction, can be directly buried in the ground or water, without another trench, and in some cases can also be directly buried in the frozen soil