(1):Copper layer thickness :  ≥0.25mm

(2):Resistivity                     : ≤0.15ohmM

(3):Tensile strength           :  500-580N/mm²

(4):Tensile ratio                 :  0.8-0.95  

(5):Elongation                    :  8%-15%

(6):Copper Earth rods be bent  over120 °, no crack peeling or sharp (with a 71mm diameter forming wheel)

(8):Continuous copper layer super-high temperature 300 degrees above 1 hour after quench, copper layer wont spalling