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Copper coil generally refers to a coil made of copper, which is commonly used in various electrical and electronic applications. It can be made from different copper alloys, including pure copper or various copper-based alloys such as brass，bronze.

C10100 copper coil is a type of oxygen-free copper wire. It is also known as OFE (Oxygen-Free Electronic) copper or UNS C10100. C10100 copper is characterized by its high purity, with a minimum copper content of 99.99%. It contains extremely low levels of oxygen, which help improve its electrical conductivity and corrosion resistance.

C10200 copper coil is a high conductivity pure copper alloy that exhibits excellent corrosion resistance and weldability, making it an ideal choice for manufacturing pipes, fittings, heat exchangers, and other applications.

C11000 copper coil is a type of pure copper wire, also known as electronic grade copper. It is composed of pure copper, with a copper content of over 99.9% and minimal alloying elements. C11000 copper coil exhibits excellent electrical conductivity, good workability, and high thermal and electrical conductivity.

C12000 (ASTM) and TP1 (GB) copper coil is a phosphorus deoxidized copper material,This copper alloy has a low phosphorus content, usually less than 0.015%. C12000/TP1 low phosphorus copper has good conductivity and thermal conductivity, as well as excellent plasticity and welding performance.

C14420 is a low tin high conductivity copper alloy. The strength and hardness of this alloy are higher than pure copper, and it has very high conductivity, with a slightly lower resistivity than pure copper. It is an ideal choice for manufacturing high demand electronic and conductive devices.