Cangzhou Avant International Trade Co., Ltd. is one of the leading manufacturers and suppliers of ipn8710 coated steel pipe for potable water in China. We are committed to providing high quality customized products with competitive price. Welcome to wholesale cheap ipn8710 coated steel pipe for potable water in stock here from our factory. Also, free sample is available.
IPN8710 refers to a two-component interpenetrating network heavy-duty anti-corrosion coating, consisting of a primer and a topcoat for use together. After curing, the coating forms a dense protective film. The film itself does not contain toxic substances and will not leach harmful substances into the water, allowing direct contact with drinking water media. This is fundamentally different from ordinary epoxy coal tar pitch and ordinary paint anti-corrosion coatings, which are only suitable for sewage and industrial media and absolutely unsuitable for domestic drinking water pipelines. Many purchasing customers easily get confused here, and choosing the wrong coating can lead to potential water quality safety hazards.
Our processed IPN8710 drinking water anti-corrosion pipes can use spiral steel pipes, straight seam welded pipes, and seamless steel pipes as the base material, flexibly selected according to project pressure and pipe diameter. The inner wall is coated with IPN8710 anti-corrosion coating, and the outer wall can be combined with other anti-corrosion processes as needed, such as epoxy coal tar pitch, 2PE, etc., to achieve separate protection for the inner and outer surfaces. The internal layer ensures drinking water safety, while the external layer resists soil corrosion. The paint film thickness can be adjusted according to project requirements. After the coating is formed, it has strong adhesion and is not prone to peeling, blistering, or flaking.
Drinking water anti-corrosion projects allow no room for carelessness. We implement an extremely stringent quality control system when producing IPN8710 anti-corrosion steel pipes: High-standard surface pretreatment: The inner wall of the steel pipe must undergo sandblasting to remove rust, with a surface cleanliness strictly meeting Sa2.5 level and a roughness controlled at approximately 30μm, ensuring the strongest adhesion between the anti-corrosion coating and the steel pipe substrate.
Precise Formulation and Coating: The coating is strictly formulated according to the specified ratio and thoroughly stirred and cured. High-pressure airless spraying or professional brushing processes are employed to ensure a tight bond between the primer and topcoat layers, resulting in a uniform coating thickness that meets design requirements (e.g., a dry film thickness ≥200μm for general anti-corrosion grades).
Comprehensive Compliance Testing: Before leaving the factory, in addition to routine visual inspections (no bubbles, cracks), coating thickness testing, and electrical discharge machining (EDM) for pinhole leak detection, a drinking water safety indicator test report issued by a third-party authoritative institution must be provided to ensure that the product 100% complies with relevant national and international hygiene standards.
In actual use, this pipe material has significant advantages. First, it meets hygiene standards; the coating, after curing, will not contaminate the water, meeting the conditions for drinking water contact. Second, the dense paint film effectively prevents water from contacting the steel pipe substrate, inhibiting rust and scaling on the inner wall of the pipe, reducing rust impurities in the water, and also reducing the workload of later pipeline maintenance to a certain extent. Furthermore, the coating exhibits excellent water resistance; even after prolonged immersion in water, the paint film's performance does not readily degrade, making it suitable for various construction conditions, including underground, overhead, and underwater installations.
Its application scenarios are highly targeted, primarily focusing on clean water transportation. It can be used in new and upgraded municipal water supply networks, water plant effluent pipelines, urban and rural drinking water pipelines, water purification plant supporting pipelines, and reservoir water diversion projects. It can also be used for clean water transportation in the food industry and for non-corrosive clean water circulation pipelines. It should be noted that IPN8710 is more suitable for clean water media; it is not recommended for high-concentration acidic or alkaline wastewater, and other heavy-duty anti-corrosion solutions should be considered for such applications.
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