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  • The application of electric welding net is more widely, at present it has replaced the use of other parts of the wire mesh, the cost of electric welding net is lower, the production speed is very fast, so it is very popular. Welding net galvanized before the need for processing is recrystallization annealing, because the welding net must maintain a no oxide and no other impurities of pure iron active surface, if you can not keep its surface clean will lead to a bad galvanizing effect, galvanized layer and iron material is not closely combined, so this step is necessary.

    black drywall screws

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    black drywall screws black drywall screws

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  • Post time: 31-08-22

    black drywall screws

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    black drywall screws black drywall screws

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  • black drywall screws

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    black drywall screws black drywall screws

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    black drywall screws

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    black drywall screws black drywall screws

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  • black drywall screws

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    black drywall screws black drywall screws

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  • black drywall screws

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    black drywall screws black drywall screws

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  • Temporary rust prevention is to prepare for the completion of the mission of the protective layer to be removed. The methods include: cajoling corrosion inhibitors, coating antirust oil, peeling molecular compound plastics, drying air, vacuuming, etc. Change the internal structure of the metal: new chromium, nickel and other alloy elements made of stainless steel, but the alloy is not much, expensive, difficult to produce widespread application.

    black drywall screws

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    black drywall screws black drywall screws

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