Advantages of Russian customers ordering 3PE coated pipes

Haihao Group takes immense pride in providing high-quality pipe solutions to our global clientele. In this article, we highlight the benefits of 3PE coating, focusing on a recent order from a Russian customer who recognized the importance of corrosion protection for their pipes. Learn about the advantages of 3PE coating, the construction process, the suitable environment for its application, and a comparison between 3PE and FBE coatings.

SAW pipe with 3PE coating

The Advantages of 3PE Coating:

Superior Corrosion Resistance: 3PE (three-layer polyethylene) coating provides outstanding protection against corrosion, extending the service life of pipes in challenging environments. It offers excellent resistance to chemical substances, moisture, and soil conditions, reducing the risk of corrosion-related failures.

Mechanical Protection: The three-layer structure of 3PE coating includes an adhesive layer, an anticorrosive layer, and a topcoat. This combination provides robust mechanical protection, safeguarding pipes against abrasion, impact, and external damage during handling, transportation, and installation.

Thermal Insulation Properties: 3PE coating exhibits excellent thermal insulation properties, helping to maintain a stable temperature within the pipes. This characteristic is particularly beneficial in applications that involve fluid transportation, as it reduces heat loss and energy consumption.

Environmentally Friendly: 3PE coating is environmentally friendly and meets stringent regulatory requirements. It does not contain harmful substances or volatile organic compounds (VOCs), ensuring the safety of both the environment and personnel involved in the construction process.

Construction Steps of 3PE Coating:

The application of 3PE coating involves the following steps:

Surface Preparation: The pipe surface undergoes thorough cleaning to remove contaminants, rust, and scale. This step ensures optimal adhesion between the pipe and the coating layers.

Fusion Bonded Epoxy (FBE) Primer: A layer of FBE primer is applied to the cleaned pipe surface. The primer promotes adhesion between the pipe and the subsequent layers.

Adhesive Layer: An adhesive layer is applied on top of the FBE primer. It acts as a bonding agent between the FBE primer and the anticorrosive layer.

Anticorrosive Layer: The anticorrosive layer, consisting of high-density polyethylene (HDPE) or copolymer adhesive, is applied over the adhesive layer. This layer provides the primary corrosion protection.

Topcoat: The topcoat, typically consisting of a layer of HDPE or polypropylene, is applied as the final protective layer. It enhances the mechanical and UV resistance properties of the coating.

Applicable Environment for 3PE Coating:

3PE coating is suitable for a wide range of environments, including:

Temperature Range: The coating can withstand temperatures ranging from -40°C to 85°C, making it suitable for various climates and applications.

Soil Conditions: 3PE coating is effective in protecting pipes against corrosive soil environments, including high moisture, alkaline, and acidic soils.

Underwater and Marine Applications: The coating provides excellent resistance to seawater, making it an ideal choice for offshore and marine applications.

FBE Coating Pipings

Comparison with FBE Coating:

While both 3PE and FBE coatings offer corrosion protection, there are notable advantages to 3PE coating:

Enhanced Corrosion Resistance: 3PE coating provides superior corrosion resistance due to its three-layer structure, offering an additional layer of protection compared to FBE coating.

Mechanical Protection: The additional layers of 3PE coating provide enhanced mechanical protection, making it more resilient against external damage compared to FBE coating.

Heat Resistance: 3PE coating exhibits better resistance to higher temperatures compared to FBE coating, allowing for a wider range of application possibilities.

Haihao Group takes pride in fulfilling the diverse needs of our global customers. With our extensive expertise in pipe solutions, we provide 3PE-coated pipes that offer exceptional corrosion protection, mechanical strength, thermal insulation, and environmental compatibility. Trust Haihao Group for all your pipe requirements and experience the advantages of 3PE coating in ensuring the longevity and reliability of your piping systems.