铜电刷线是用于电机电气及仪表线路上的连接线。
The copper brush wire is designed for flexinle connection of electrical machinery, electrical apparatus as well as instrumental ciruits.

TS, TSX, TSR铜电刷线的技术性能（GB12970-91）
SPECIFICATION OF COPPER BRUSH WIRE TYPE TX, TSX, TSR(GB12970-91)

绞合
铜电刷线最外层的绞向为右向，除非供需双方另有协议，相邻层的绞向应相反，绞线的绞向制造厂规定。

伸长率
TS型铜电刷线的伸长率应不小于18%。
TSX型镀锡铜电刷线的伸长率不小于6%。
TSR型软铜电刷线的伸长率应不小于15%。