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The water-based epoxy coating anti-corrosion steel pipe adopts environmentally friendly coating, which does not contain heavy metals such as lead, chromium, mercury, etc., and has excellent chemical corrosion resistance, water resistance, and microbial erosion resistance. Its paint film has high hardness and the surface is easy to clean, making it particularly suitable for places with strict hygiene requirements such as food factories and pharmaceutical factories. In addition, water-based epoxy coatings have strong adhesion to concrete and metal substrates, can seal substrate pores, and effectively prevent alkali problems.
keyword Anti corrosion steel pipe with waterborne epoxy coating Category Anti-coating pipe name Related products Get a quoteAnti corrosion steel pipe with waterborne epoxy coating
The water-based epoxy coating anti-corrosion steel pipe adopts environmentally friendly coating, which does not contain heavy metals such as lead, chromium, mercury, etc., and has excellent chemical corrosion resistance, water resistance, and microbial erosion resistance. Its paint film has high hardness and the surface is easy to clean, making it particularly suitable for places with strict hygiene requirements such as food factories and pharmaceutical factories. In addition, water-based epoxy coatings have strong adhesion to concrete and metal substrates, can seal substrate pores, and effectively prevent alkali problems.
Construction technology and precautions
Before construction, the surface of the steel pipe needs to be strictly treated, including sandblasting to Sa2.5 level or mechanical rust removal to ST3 level, with no oil stains, floating rust, or dirt on the surface. The coating should be applied in an environment with a temperature of 5-35 ℃ and a relative humidity of ≤ 75%. Brushing, rolling or spraying methods can be used, and dilution with water or other solvents is strictly prohibited. The coating needs to be applied layer by layer, and the next layer of construction can only be carried out after the previous coating is dry. The weld area should be painted first to the thickness of the paint film.
Application Fields and Scenarios
Water based epoxy coating anti-corrosion steel pipes are widely used in fields such as drinking water transportation, petrochemical pipelines, sewage treatment facilities, and marine engineering. Its excellent acid, alkali, and salt corrosion resistance is suitable for protecting the inner walls of buried water and oil pipelines, as well as chemical equipment. In the fire water supply system, its smooth inner wall can reduce fluid resistance, avoid scaling and microbial growth, and can be used for more than 50 years.
Performance advantages and economic benefits
The coating formed by this coating is dense without pinholes, with high mechanical strength, excellent impact resistance and wear resistance, especially suitable for high-pressure or complex geological environments. Compared to traditional anti-corrosion materials, water-based epoxy coatings are easy to apply, with a solid content close to 100%. They can be thick coated and molded in one go, reducing construction costs. Long term use has low maintenance costs, significant comprehensive cost-effectiveness, and meets the requirements of green environmental protection.
Supporting materials and composite structures
Some anti-corrosion steel pipes are designed with internal and external composite coatings, such as three-layer polyethylene (3PE) on the outer wall combined with hot-melt epoxy resin (TPEP) on the inner wall, which combines mechanical strength and corrosion resistance. Epoxy ceramic coatings enhance wear resistance by adding quartz sand, and when combined with glass fiber cloth, can improve the anti permeability of the anti-corrosion layer, making them suitable for high wear environments. This type of composite structure significantly extends the service life of the pipeline.
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