[DTY, FDY and POY]
Published: [2017/7/7]
Views: [601]
REQUEST_UNK,POY：預(yù)取向絲，全稱：PRE-ORIENTED YARN 或者PARTIALLY ORIENTED YARN.
It refers to the uncompletely stretched synthetic filament between the unoriented silk and the drawing thread. Compared with the undrawn silk, it has a certain degree of orientation and stability. It is often used as a special wire for stretching the yarn (DTY).
DTY: DRAW TEXTURED YARN.
It is made by using POY as raw silk, stretching and false twisting. There is a certain elasticity and contractibility.
FDY: whole body silk. FULL DRAW YARN.
The synthetic fiber filament is made from the spinning of spinning. The fiber has been fully stretched and can be used for textile processing.