concrete nail 1 1 2

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concrete nail 1 1 2

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concrete nail 1 1 2 concrete nail 1 1 2

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  • concrete nail 1 1 2

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    concrete nail 1 1 2 concrete nail 1 1 2

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  • With a large pickpocket for the steel wire, into the zinc liquid before the surface of the zinc ash stirring; Use a small outlet for steel wire galvanized; Zinc pot steel wire outlet in 30 minutes, with the pickpocket back and forth, until the large, floating zinc residue into brown yellow, real zinc ash, zinc ash surface. The zinc ash taken out should be brown yellow real zinc ash, zinc surface, effectively reduce the zinc consumption. This is one of the biggest measures to reduce zinc consumption, and it is a real problem, which has not been solved for many years.

    concrete nail 1 1 2

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  • Paint on the galvanized layer, the bonding force between each other has a great relationship with the baking temperature of the paint, and alkyd paint is coated after galvanized, and the adhesion is not a problem. After galvanized to do amino paint, paint adhesion is not very good. Do two bottom two surface, adhesion is good, if the two bottom two surface changed to two bottom three surface, that is, more paint, more baked once, again test adhesion is very bad, bad enough to tear the paint from the galvanized layer.

    concrete nail 1 1 2

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    concrete nail 1 1 2 concrete nail 1 1 2

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  • concrete nail 1 1 2

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    concrete nail 1 1 2 concrete nail 1 1 2

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