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  • Poor pretreatment before plating; Bath temperature is too low; Poor quality of additives or too many additives and organic impurities will cause poor bonding. The quality of additives also has an effect on coating foaming. Some additives react incompletely during synthesis and continue to polymerize during long-term storage or use. The additive tends to distort the crystal lattice and cause stress, causing the coating to bubble.

    coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • The management system of the rinsing water after wire pickling should be discharged regularly and regularly, and the rinsing water should be kept clean and low acid value as far as possible. It is more appropriate to control the pH value of 3. The concentration of plating aid should not be too high. The hot plating wire must be added with ammonium chloride and zinc chloride according to the data of laboratory analysis, and the specific gravity of the composite solution is controlled within the range of 50~80g/L. If ammonium chloride or zinc chloride is added without reference to the results of laboratory analysis, it should be criticized and educated, and economic treatment should be given if necessary.

    coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • 5, when the terrain is limited, the barbed wire barbed wire protective net before and after can not be set continuously, this is the end of the barbed wire protective net, and handle the end of the sealing.

    coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • In order to remove the photosynovium and oxide remaining on the surface of galvanized iron wire after drawing or heat treatment, it is necessary to do the surface treatment of galvanized steel wire before plating. The common surface of low carbon steel wire is the light synovium or oxide of animal or vegetable oil; Medium and high carbon steel in addition to contain animal or vegetable oil components.

    coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • Post time: 13-03-23

    coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • 3, wear gloves, take about a bottle of disinfectant cap, pour into the basin, dilute with water according to the reference ratio. Dip a small brush into the diluted disinfectant solution and scrub the cage.

    coil nails for roofing

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    coil nails for roofing coil nails for roofing

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  • coil nails for roofing

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    coil nails for roofing coil nails for roofing

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