常见的包芯纱有哪些规格（包芯纱是什么成分）

纯涤纶系列:10s12s16s21s26s30s32s40s50s55s60s80s10s单双股。

棉精梳系列:21s32s40s45s50s60s80s10s。

涤棉混纺系列:10s16s21s32s40s45s(65/35比例)

45s60s(90/10标度)45s(80/20标度)

纯涤纶纱系列:10s/210s/320s/220s/340s/250s/260s/260s/380s/2100s/2。

棉线系列:21s/232s/2(普通)40s/250s/260s/280s/2100s/2120s/2(精梳)

纯涤纶强捻系列:50s55s。

棉强捻系列:32s40s50s60s80s10s(精梳)

棉线硬捻:50s/260s/280s/2。

棉人造丝系列:21s32s40s50s。