1 1 4 roofing nails coil

1 1 4 roofing nails coil

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1 1 4 roofing nails coil 1 1 4 roofing nails coil

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  • 1 1 4 roofing nails coil

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    1 1 4 roofing nails coil 1 1 4 roofing nails coil

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  • 1 1 4 roofing nails coil

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    1 1 4 roofing nails coil 1 1 4 roofing nails coil

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  • 1 1 4 roofing nails coil

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    1 1 4 roofing nails coil 1 1 4 roofing nails coil

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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.

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    1 1 4 roofing nails coil 1 1 4 roofing nails coil

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  • galvanizing

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  • Galvanized wire often turns black, affecting its beauty. In the process of galvanized, attention should be paid to the air, impurities in the production of steel plate and the health of construction personnel. In fact, it is the problem that will affect galvanized wire. Some simple treatment methods can prevent galvanized silk from turning black or extending the time of turning black in the process of making it, such as: keep the work site dry, reduce and do not use chemicals, and the operator with clean gloves.

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  • There is also a scaly or boride film or oxide. To remove the photosynovium or oxide commonly used methods are: lead grease removal method, acoustic cleaning method, alkali washing or pickling electrolysis grease to oxide method, these methods in the use of gas or steam harmful to human body, pollution, not environmental protection.

    1 1 4 roofing nails coil

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    1 1 4 roofing nails coil 1 1 4 roofing nails coil

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  • 1 1 4 roofing nails coil

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    1 1 4 roofing nails coil 1 1 4 roofing nails coil

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