Core yarn and cover yarn of different counts have similar yarn quality. However, higher cotton fiber content deteriorates yarn quality while increase in polyester fiber content enhances yarn quality.

• 不同支数之包芯纱与包绕纱，其细纱品质之趋势相近，棉纤维含量越多，其细纱品质会有下降的趋势，反之，聚酯纤维含量增加，细纱品质可获得改善。