To discuss twist change and relation between elongation & twist of java cotton and cotton blended rotor yarn,change condition,strength,breaking elongation of java cotton / cotton 50/50 36.5 tex blended rotor yarn were tested.

• 为了了解木棉与棉混纺转杯纱的捻度变化情况及强伸性能与捻度的关系；对木棉/棉50/50 36.；5tex混纺转杯纱捻度随时间的变化情况、强力、断裂伸长率随捻度的变化情况进行了测试分析。