... .Center Conductor :1.02mm Bare Copper Option : Material : Bare Copper ,Copper Clad Steel ,Copper Clad Aluminum ,Tinned Copper Overall Diameter :0.84mm,0.94mm ... .Dielectric :4.5mm Foamed PE (Gas expended Polythylene) Option : Material : Solid PE ,Foamed PE3. Screen 1st: Foil ,Aluminium , ... 100% Coverage Option : Material :Al foil, Al + Pol + Al, bonded Al foil;Cu ...