Mil-c-7438,grade a mil spec single material response emi/rfi conductor
Qq-a-200/9,t42 fed spec 1st material response emi/rfi conductor or mil-c-7438 mil spec 2nd material response emi/rfi conductor
Mil-c-7438 mil spec 1st material response emi/rfi conductor and qq-a-200/9,alloy 6063 fed spec 2nd material response emi/rfi conductor and qq-n-281,class a fed spec 3rd material response emi/rfi conductor