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8710 Anti-Corrosion Steel Pipe For Drinking Water
- Commodity name： 8710 Anti-Corrosion Steel Pipe For Drinking Water
- 产品描述
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The 8710 anti-corrosion pipeline for drinking water is a product specifically designed for anti-corrosion of the inner wall of drinking water transportation pipelines. The following is its specific introduction:
Product composition
It is usually composed of aliphatic polyurethane prepolymer, epoxy resin, high-quality pigments, additives, solvents, etc., and is divided into primer and topcoat. The primer is composed of polyurethane polyethylene and modified epoxy resin, while the topcoat is composed of epoxy and rubber resin modified components.
Performance characteristics
It is non-toxic and environmentally friendly, meets the national drinking water hygiene standards, and will not cause pollution to water quality. At the same time, it has strong adhesion and the coating is not easy to peel off; Excellent chemical corrosion resistance, able to resist corrosion from acids, alkalis, salts, etc; It also has good resistance to hydrolysis and abrasion, good waterproof permeability, tough and full coating, strong weather resistance, and can adapt to different environments.
Physical parameters
The color is generally white or gray, the viscosity is about 90 seconds/25 ℃, the solid content is ≥ 90%, the dry film thickness is about 50-80 μ m, the operating temperature range is usually -20 ℃ -120 ℃, the surface dryness is ≤ 1h, and the actual dryness is ≤ 24h.
Anti corrosion principle
By forming a dense coating on the inner wall of the pipeline, water is isolated from the pipeline substrate, preventing dissolved oxygen, electrolytes, and other substances in the water from corroding the pipeline, thereby protecting the pipeline, extending its service life, and ensuring that water quality is not affected by pipeline corrosion.
Construction method
Before construction, the surface of the pipeline needs to be pre treated to ensure cleanliness, dryness, and no oil stains. Generally, spraying or brushing is used to mix the paint according to the specified ratio and apply it to the inner wall of the pipeline. The coating thickness is usually 0.3mm to 0.5mm. The construction temperature should be between 5 ℃ and 35 ℃, and the relative humidity should not exceed 85%.
Application areas
Mainly used for anti-corrosion of the inner wall of drinking water transmission pipelines in urban water supply systems, rural drinking water projects, etc. It can also be used for industrial water systems that require clean water sources and fire pipeline systems.
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