Cu
≥99.5
O
≤0.2
水份
≤0.05
氢损
0.15
Fe
≤0.1
S
≤0.004
杂质总和: %
≤0.3
Pb
≤0.06
Cr
松装密度:g/cm3
3.0~4.5
As
≤0.005
Sb
≤0.01
流速:s/50g
≤25