aluminium fly screens for windows

aluminium fly screens for windows

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aluminium fly screens for windows aluminium fly screens for windows

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  • Large roll galvanized wire phosphating film is dark gray to black gray, the thickness is generally 5-20μm, has better corrosion resistance in the atmosphere. Membrane is a microporous structure, strong adsorption ability to paint, such as used as paint bottom, corrosion resistance can be further advanced. Metal oxidation treatment: Add steel products to NaOH and NaNO2 mixed solution, heating treatment, the surface can form a layer of thickness of about 0.5-1.5μm blue oxide film, in order to reach the purpose of steel corrosion prevention, this process is called blue treatment, referred to as blue.

    aluminium fly screens for windows

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    aluminium fly screens for windows aluminium fly screens for windows

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  • Galvanized

    aluminium fly screens for windows

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    aluminium fly screens for windows aluminium fly screens for windows

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  • One end of the wire must be clearly marked and the other end left on the outer layer for easy connection by other wires. Ask the factory to provide the corresponding quality inspection report before packing. Cold drawing is a kind of material often used in our life, especially in the construction of buildings. Cold wire drawing is used more in building materials, cold wire drawing testing standards are also different.

    aluminium fly screens for windows

    ...

    aluminium fly screens for windows aluminium fly screens for windows

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  • (1) Protect and support seawalls, hillsides, roads and Bridges, river courses and other water conservancy projects;

    aluminium fly screens for windows

    ...

    aluminium fly screens for windows aluminium fly screens for windows

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