expanded perforated metal

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  • For key and important parts with tensile strength greater than 1034Mpa, the stress should be removed at 200±10℃ for more than 1 hour before plating, and for carburized or surface hardened parts, the stress should be removed at 140±10℃ for more than 5 hours. The cleaning agent used for cleaning shall have no effect on the binding force of the coating and no corrosion on the substrate. Acid activation Acid activation solution should be able to remove corrosion products and oxide film (skin) on the surface of parts without excessive corrosion on the matrix.

    expanded perforated metal

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  • C, coating uniformity: galvanized layer is basically uniform with copper sulfate solution test etched five times without exposing iron.

    expanded perforated metal

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    expanded perforated metal expanded perforated metal

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  • Post time: 09-05-22

    expanded perforated metal

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    expanded perforated metal expanded perforated metal

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