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How should the spiral steel pipe be anti-corrosion in the water supply pipe

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Usually, we use epoxy coal tar pitch paint, if the requirements are high, you can use 3 oils and 2 cloths. 3 layers of paint and 2 layers of the glass fiber cloth, staggered construction. If required, the primer and topcoat of epoxy coal tar pitch are generally used directly, and each is applied twice. Simple and convenient, this is generally the solution.

The inside of the spiral steel pipe depends on whether it is drinking water. If so, use environmentally friendly paint, such as epoxy polyamide paint.

The base material of PE anti-corrosion steel pipe includes seamless steel pipe, spiral steel pipe, and straight seam steel pipe. The three-layer polyethylene (3PE) anti-corrosion coating has been widely used in the oil pipeline industry due to its good corrosion resistance, water vapor permeability resistance, and mechanical properties. 3PE anti-corrosion steel pipe 3PE anti-corrosion steel pipe three-layer structure polyethylene anti-corrosion coating (3PE) combines the excellent properties of the two anti-corrosion layers of fusion bonded epoxy powder coating and extruded polyethylene and combines the interface characteristics of fusion bonded epoxy powder coating and The chemical resistance properties, combined with the mechanical protection properties of extruded polyethylene coatings, significantly improve the respective performance. Therefore, it is very superior to the outer protective layer of buried pipelines.




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