Polyurethane insulation steel pipe has good mechanical properties and thermal insulation properties

(Summary description)Anti-corrosion layer: protect the outer steel pipe from corrosion of the steel pipe and prolong the service life of the steel pipe.
(Summary description)Anti-corrosion layer: protect the outer steel pipe from corrosion of the steel pipe and prolong the service life of the steel pipe.
Introduction of polyurethane insulation steel pipe:
1. Anti-corrosion layer: protect the outer steel pipe from corrosion of the steel pipe and prolong the service life of the steel pipe.
2. External protection steel pipe: protect the insulation layer from groundwater erosion, support the work pipe and can withstand a certain external load, and ensure the normal work of the work pipe.
3. Polyurethane foam layer: to ensure the temperature of the medium, to ensure that the surface of the outer protective tube maintains a normal temperature.
4. Barrier and reflective layer: to ensure that the organic foam material does not enter the inorganic hard high temperature resistant layer; it reflects part of the heat of the high temperature resistant layer.
5. Inorganic hard insulation layer: high temperature resistance, to ensure the interface temperature with the organic insulation layer, to ensure that the foam is not carbonized.
6. Drag reduction layer: to ensure the thermal expansion and contraction of the working steel pipe.
7. Working steel pipe: to ensure the normal flow of the conveying medium.
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