perforated angle iron

perforated angle iron

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perforated angle iron perforated angle iron

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  • perforated angle iron

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    perforated angle iron perforated angle iron

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  • perforated angle iron

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    perforated angle iron perforated angle iron

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  • If the coating roughness is not caused by the above reasons, it may be caused by impurities in the plating solution. Can take a small amount of electroplating solution, filtration test, and then take a small amount of electroplating solution, with zinc powder treatment after the test, check the problem is solid particles or copper, lead and other foreign metal impurities caused by. One by one, it’s not hard to find the cause of the problem. Galvanized iron wire coating blister, poor adhesion.

    perforated angle iron

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    perforated angle iron perforated angle iron

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  • D, coating adhesion; The zinc layer of the plating parts should be firmly combined with the base metal with sufficient adhesion strength, and will not fall off or bulge after the hammer test.

    perforated angle iron

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    perforated angle iron perforated angle iron

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  • perforated angle iron

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    perforated angle iron perforated angle iron

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  • 5, when limited by the terrain, the barbed rope barbed rope protective net before and after the continuous setting, take the place as the end of the barbed rope protective net, and deal with the end of the sealing.

    perforated angle iron

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    perforated angle iron perforated angle iron

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