| 摘要 |
<p>A package for taking up false twist yarns formed of polytrimethylene terephthalate fibers, characterized in that the hardness and winding density of the package and the number of crimps of taken-up false twist yarns satisfy the following conditions: (1) 70≤hardness≤90; (2) 0.6 g/cm3≤winding density≤1.0 g/cm3; (3) hardness x number of crimps≥520. The package, being capable of retaining an excellent winding package shape and having an excellent unwinding property, can provide high-quality knitting fabrics and woven fabrics.</p> |
