Copper core cable and aluminum core cable are two common conductor materials. There are some differences between them in terms of conductivity, mechanical properties, and usage environment. Here are their main differences:

1. Conductivity: Copper is an excellent conductive material with low resistance and higher conductivity. In contrast, aluminum has poor conductivity and its resistance is about twice that of copper. Therefore, when transmitting current, copper core cables have better conductivity under the same cross-sectional area.

2. Weight: Copper has a higher density than aluminum, so copper core cables are heavier than aluminum core cables. For long-distance transmission or high-altitude applications, aluminum core cables may be more popular due to their lighter weight.

3. Mechanical properties: Copper is softer and more ductile than aluminum, so copper core cables are generally easier to bend and install. In contrast, aluminum core cables require more attention when bending and installing because aluminum is more brittle.

4. Corrosion resistance: Aluminum has good oxidation resistance and corrosion resistance, and can form a protective layer of aluminum oxide to reduce further corrosion. Copper also has a certain corrosion resistance, but not as good as aluminum. In harsh environmental conditions, such as moisture, acid corrosion, etc., aluminum core cables may be more suitable than copper core cables.

5. Price: In contrast, aluminum is a cheap metal, so the price of aluminum core cables is usually more competitive than that of copper core cables. This makes aluminum core cables more economical in some applications, such as transmission lines, large industrial equipment, etc.

It is necessary to select suitable cables according to specific application scenarios and requirements. Copper core cables may be a better choice when higher conductivity, mechanical strength and corrosion resistance are required. In long-distance transmission, high economic requirements or specific environmental conditions, aluminum core cables can be a viable option.

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