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Copper clad aluminum wire is bimetallic wire consisting of an aluminum core cladded with copper,which simultaneously has the features of copper’s good electrical conductivity and aluminum’s light weight. It’s the preferred material for inner conductor of coaxial cable and electrical equipment wire and cable.
Specification |
Copper in volume (%) |
Copper in mass (%) |
Length comparison |
Density (g/cm3) |
Max.DC resistivity Ω.mm2/m (20℃) |
Conductivity (%IACS) Min |
CCA-10%Copper volume |
8~12 |
27 |
2.65:1 |
3.32 |
0.02743 |
63 |
CCA-15%Copper volume |
13-17 |
37 |
2.45:1 |
3.63 |
0.02676 |
65 |
Copper wire |
100 |
100 |
1:1 |
8.89 |
017241 |
100 |
*In high frequency signal transmission field, it is applied to:
Standard Material of Conductor in CATV Coaxial Cable;
50 Ohm Radio Frequency Aerial;
Leaky Cable;
Soft Coaxial Radio Frequency Cable;
Data Cable;
*In power transmission field, it can be applied to:
Stranded wire;
Power Cable;
Control Cable;
automotive cable;
Building distribution wire;
Busbar;
Radio Frequency shielding;
*In special electromagnetic wire, it can be applied to:
Coils in motor and fans, mahjong machine, Loudspeakers
Voice coils (e.g. in Headphone, Headset, …)
Windings
Compared to copper conductors:
*Higher Flexibility due to lower elastic modulus 63% material weight reduction due to lower specific gravity of CCA over regular copper
Compared to aluminum conductors:
*Better corrosion resistance than aluminum due to copper layer. Lower resistance due to high electric conductivity of copper
*Better solderability
*Higher strength than aluminum
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