一些国家和地区对各类细旦纤维的纤度分类为1.0-2.4dpf是细旦纤维、0.3-1.0dpf属于超细纤维，而0-0.3dpf则叫做超极细纤维。
The micro-thin fiber is becoming the main stream in fiber industry. With the development of melt-spinning technology, micro-thin Polyester filament is becoming more and more fashion and widely used.
纤维细旦化是化纤流行的趋势,由于细旦纤维技术的不断发展,市场对产品规格的要求不断变化,微细旦涤纶长丝越来越得到重视和应用,纤维厂家为满足这一需要,势必要不断开发生产新的产品。
参考来源 - 涤纶细旦（138dtex/144f）全拉伸丝的工艺开发·2,447,543篇论文数据，部分数据来源于NoteExpress
通过设备改造、调整工艺条件可获得质量优异的涤纶细旦poy。
Through process adjustment and equipment modification, the top quality of fine denier polyester POY can be obtained.
根据超细旦丙纶纤维的纺纱特性，对梳棉工序的纺纱工艺进行了研究。
Micro-Polyproopylene fiber( pp fiber) carding process is researched on the basis of its spinning property.
从工艺、设备方面探讨了多孔细旦涤纶poy条干不匀率的诸多影响因素。
The factors affecting yarn irregularity of multiporous fine-denier PET POY were discussed from the aspects of process technology and equipments.
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