perforated metal siding

perforated metal siding

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  • Because the barbed rope is a strong use of regeneration value. Generally, the use of discarded guardrail networks for exercise, or steel production of new structural raw materials, do a good job of daily cleaning up and recovery can promote the value of the whole guardrail network faster. Again is to recover the use, the use of it in the appearance of the use of places that are not high, such as as other days purse Seine; Taking apart or discarding the raw materials that do not need to rust can carry out the whole regeneration.

    perforated metal siding

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    perforated metal siding perforated metal siding

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  • perforated metal siding

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    perforated metal siding perforated metal siding

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  • After passivation treatment of galvanized layer, it can generate a layer of bright old and beautiful color passivation film, which can significantly improve its protective performance. There are many kinds of galvanized solution, according to its properties can be divided into cyanide bath and cyanide bath two categories. Cyanide zinc plating solution has good dispersion ability and coverage ability, the coating crystal is smooth and meticulous, simple operation, wide application range, in the production is used for a long time.

    perforated metal siding

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    perforated metal siding perforated metal siding

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  • perforated metal siding

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    perforated metal siding perforated metal siding

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  • perforated metal siding

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    perforated metal siding perforated metal siding

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  • 1. Principle. Because zinc does not change easily in dry air, and in humid air, the surface can form a very dense film of zinc carbonate, which can effectively protect the interior from corrosion. And when the coating is damaged for some reason and the matrix is not too large, the zinc and steel matrix form a micro cell, so that the fastener matrix becomes the cathode and is protected. It is widely used in automobile transportation and other industries, but what is needed is the trivalent chromium passivation layer, zinc nickel alloy plating closed coating, reduce the harmful and toxic layer of hexavalent chromium passivation.

    perforated metal siding

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    perforated metal siding perforated metal siding

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