... CU 40% , we produce the aluminum wire , copper clad aluminu wire, copper clad steel wire for many year .yes ,the ... , weight AL 60 % specific density : 3.6% conductivity : 65 %IACS DC RESISTANCE ,SOLDERING , WINDALIBILITY .cca technology : elongation :> 15% , strenght > ... STEEL 88% , specific density : 7.95% conductivity : 18 %IACS DC RESISTANCE , WELDING : >10 S 90 DEGREE BENDING PROPERTY : >4 TIMES ...