... 3used as a conductor of heat and electricity 4great welding perform Model: C1100 , T2, TP2, TU2, and other kinds of grades Thickness : range ... ,45 hv4,copper cladding aluminum: applied in wire5,electronics: clean surface,steady tolerance, neat ribbon,used for electroplating and high speed punch6 ... composition consistent with GB/T5121-1996 national standards. high performance c1100 copper strip coil