以下是两种牌号紫铜板的化学成分含量百分比:
TU2紫铜板:Cu+Ag≤99.95 P≤0.002 Bi≤0.001 Sb≤0.002 As≤0.002 Fe≤0.004 Ni≤0.002 Pb≤0.004 Sn≤0.002 S≤0.004 Zn≤0.003 O≤0.003 杂质≤0.05
T2紫铜板 : Cu+Ag≤99.90 Bi≤0.001 Sb≤0.002 As≤0.002 Fe≤0.005Ni≤0.005 Pb≤0.005 Sn≤0.002 S≤0.005 Zn≤0.005 O≤0.06 杂质≤0.1
以上对比中不难看出,T2紫铜板不含磷的成分,在其它成分含量上也稍有差别。