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1 1 4 galvanized roofing nails

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  • The cleaning agent used for cleaning has no effect on the adhesion of the coating and no corrosion on the base material. Acid activation Acid activation solution should be able to remove corrosion products and oxide film from the surface of parts without excessive corrosion of the matrix. Zinc plating may be zinc plated with zincate or chloride and appropriate additives shall be used to obtain a coating that meets the requirements of this standard. After light plating, light treatment is carried out. Passivated parts requiring hydrogen removal shall be passivated after hydrogen removal. Activation with 1% H2SO4 or 1% hydrochloric acid for 5 ~ 15s prior to passivation.

    1 1 4 galvanized roofing nails

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    1 1 4 galvanized roofing nails 1 1 4 galvanized roofing nails

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  • 1 1 4 galvanized roofing nails

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    1 1 4 galvanized roofing nails 1 1 4 galvanized roofing nails

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  • 3. The front and back twist barbed wire has a beautiful appearance

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    1 1 4 galvanized roofing nails 1 1 4 galvanized roofing nails

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  • (2) Spray large number hook mesh guardrail should be used electric spray paint or electrostatic spray paint.

    1 1 4 galvanized roofing nails

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    1 1 4 galvanized roofing nails 1 1 4 galvanized roofing nails

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  • The wire mesh is composed of low carbon steel wire or medium carbon steel wire, high carbon steel wire or stainless steel wire. There are two kinds of manufacturing technology of steel wire mesh, one is the weaving method, the other is the welding connection, the formation of grid.

    1 1 4 galvanized roofing nails

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    1 1 4 galvanized roofing nails 1 1 4 galvanized roofing nails

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