security fence barbed wire top

security fence barbed wire top

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security fence barbed wire top security fence barbed wire top

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  • Welding

    security fence barbed wire top

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    security fence barbed wire top security fence barbed wire top

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  • Usually, there are three kinds of metal corrosion: physical corrosion, chemical corrosion, electrochemical corrosion, corrosion in addition to the chemical properties and organizational structure of the metal itself, but also related to the surrounding medium, such as wet environment is easier to rust than dry environment, more impurities than impurities less easy corrosion, high temperature conditions than low temperature conditions easy corrosion. After understanding these, we can effectively prevent the customized corrosion of hexagonal guardrail and extend the service life of the product.

    security fence barbed wire top

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    security fence barbed wire top security fence barbed wire top

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  • Galvanized wire coating rough, passivation film is not bright, bath temperature is too high. If the cathode current density is too high, zinc content in the bath is too high or sodium hydroxide and DPE content is too low; Electroplating solution with solid particles or excessive foreign metal impurities, will lead to such problems. Solution: If the large roll galvanized wire to the above coating is rough, there may be solid particles in the plating solution. If the roughness of the part is severe, the current density may be too high.

    security fence barbed wire top

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    security fence barbed wire top security fence barbed wire top

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  • Dark green plastic-coated barbed cords are occasionally used on high-speed trains, but they are also used in small quantities.

    security fence barbed wire top

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    security fence barbed wire top security fence barbed wire top

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