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  • Hot dip galvanizing is in the hot melt zinc liquid dip plating, production speed, thick but uneven coating, the market allows the thickness of 45 microns, up to 300 microns above. It is dark in color, consumes more zinc metal, forms infiltration layer with base metal, and has good corrosion resistance. Hot dip galvanizing can be maintained for decades in outdoor environment. The protection of zinc coating on iron matrix has two principles: on the one hand, although zinc is more active and easy to oxidize than iron, but its oxide film is not as loose and compact as iron oxide. The dense oxide layer formed on the surface inhibits the further oxidation of zinc in the interior.

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    4 inch common nails 4 inch common nails

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  • 4 inch common nails

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    4 inch common nails 4 inch common nails

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  • The antisepsis of these materials is very different, the use of life is not the same. Cold galvanized cattle net, also known as electroplating, galvanized amount is small, rust in rain, but the price is cheap, the service life is 5-6 years. The amount of zinc on hot dip galvanizing (low zinc and high zinc) is about 60g to 400g, the service life is about 20-60 years, and the corrosion resistance is general.

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  • The characteristics of galvanized hexagonal net: easy to use; Save transportation costs. It can be shrunk into small rolls and involved in moisture-proof paper packaging, taking up little space. Coating thickness uniformity, stronger corrosion resistance; The construction is simple and does not require special technology; Strong resistance to natural damage and corrosion resistance and adverse weather effects; Can withstand a large range of deformation, and still not collapse. It has the function of fixed heat preservation and insulation.

    4 inch common nails

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  • Pay attention to the maintenance of the dog cage, plastic and wire and other materials of the dog cage need to avoid exposure to the sun, the dog cage must be cleaned in time after cleaning with water, or rust will affect the service life.

    4 inch common nails

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    4 inch common nails 4 inch common nails

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  • 4 inch common nails

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    4 inch common nails 4 inch common nails

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  • Before wall plastering, the wall column is connected to the gap construction wire mesh, which can play a certain strengthening and heat preservation effect. The mesh is hung on the interface surface of different grassroots, and the length of each side should meet the requirements of 100mm, so as to prevent shrinkage and cracking caused by different grassroots. Mesh wire diameter can also determine the effect and efficiency of construction, mesh fine laid up convenient soft, high construction efficiency; Of national standard can assure quality, but laid respect is inferior to fine construction fast.

    4 inch common nails

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  • 3. Acid activation acid activation solution should be able to remove corrosion products and oxide film (skin) on the surface of parts, without excessive corrosion on the matrix.

    4 inch common nails

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