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Material Composition: Typically 99.9% pure electrolytic copper or copper-bonded steel (steel core with a thick outer copper layer). Some rods are solid copper for highly corrosive soils.
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Construction: Rods are molecularly bonded with copper or made entirely of copper, sometimes with galvanized or tin-plated surfaces for corrosion resistance.
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Size and Dimensions: Rods generally range from 1 meter to 3 meters in length, with diameters from about 12 mm to 80 mm depending on the application
