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C11000 copper bar is made from a copper-based alloy of extremely high purity, usually containing more than 99.9% copper. This bar is recognized for its excellent electrical and thermal conductivity properties, as well as good corrosion resistance and mechanical strength.

C10100 copper bar is made from an extremely pure copper alloy containing more than 99.99% copper content, leading to its excellent electrical and thermal conductivity. This high-purity copper is highly favorable in the electrical and electronic industries requiring high conductivity and processability.

C10200 copper bar is made from an extremely pure copper material known as oxygen free copper, with 99.95% purity. Given its extremely low oxygen content, C10200 copper bar has excellent electrical and thermal conductivity, as well as good welding and processability.

C12000 copper bar is made from a high-purity electrolytic copper, also known as ETP copper (Electrolytic Tough Pitch Copper). Its main component is copper, going above 99.9%, and it also contains small amounts of impurity elements such as oxygen, iron and sulfur.

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