Aluminum vs. Copper Wire: Which One Is Right for My Transformer Winding?

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At Sam Dong, we are a domestic producer of high-quality oxygen-free, high conductivity (OFHC) and electrolytic tough pitch (ETP) copper wires. These materials find application in a wide range of magnetic product applications, including as winding wires in transformers. Winding wire—also referred to as magnetic wire or enameled round wire—refers to wire coated with a […]

What Is a Superconducting Wire?

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Since 1977, our company has been producing Oxygen Free High Conductivity Copper (OFHC) components, materials, and stock blanks for an extensive variety of industrial applications. Our USA facility specializes in OFHC rods and wiring, as well as superconducting wire. Superconducting wire offers superior conduction of electricity with minimal inefficiency, making it a popular choice for […]

OFHC Copper vs. ETP Copper

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Sam Dong is a domestic producer of oxygen-free, high-conductivity (OFHC) copper rod. We utilize it to produce strip, shapes, and a variety of copper wire products, including bare wires, continuously transported conductors (CTCs), paper-insulated rectangular wires, special insulated wires, and more. Below, we highlight how this material compares to electrolytic tough pitch (ETP) copper.  Overview […]