1.Light weight, 2.small density, 3.good quality when transmitting high frequency signal 1) Diameter: 0.10 ~ 0.50mm2) It is mainly used as conductor under high-frequency in coaxial cable taking the place of pure copper wire3) It is divided into soft state (A kind) and hard state (H kind)4) It is divided into 10% and 15% two kinds according to volumetric scale of copper layer5) The DC resistivity ...