... ., Ltd. producesa broad line copper clad aluminum wire, copper clad aluminum magnesium alloywire, tinned copper clad aluminum wire, Copper clad bare, plated, and ... aluminum is widely used in applications requiring the conductivityof copper while retaining much of the weight advantages of aluminum. ... 11223-2000, ASTM B 566-93 2) Copper by volume (%): 10%+2%; 15%+2%3) Copper by weight (%): 26.8%+2%; 36.8 ...