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  • Custom is made of low carbon steel silk woven, mesh structure he has the characteristics of corrosion resistance, high strength and ductility. Steel wire diameter up to 2.0mm-4.0mm, steel wire appearance is usually selected hot dip galvanized maintenance, galvanized maintenance layer thickness can be made according to customer needs, galvanized maximum can reach 300g/.

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  • The silver powder is actually a mixture of aluminum powder and polymer after painting the film, the film is brittle, easy to appear adhesion problems, and corrosion resistance is also slightly poor. Galvanizing refers to the surface of metal, alloy or other materials coated with a layer of zinc to play the role of beautiful, rust prevention and other surface treatment technology. Zinc dissolves easily in acids and also in bases, so it’s an amphoteric metal. Zinc changes little in dry air.

    black phosphate screws

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    black phosphate screws black phosphate screws

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    black phosphate screws black phosphate screws

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  • black phosphate screws

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    black phosphate screws black phosphate screws

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  • 3. Quality test report

    black phosphate screws

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    black phosphate screws black phosphate screws

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    black phosphate screws black phosphate screws

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  • Hexagonal

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    black phosphate screws black phosphate screws

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  • black phosphate screws

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    black phosphate screws black phosphate screws

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