POY：Polyester preliminary orientation, full name: PRE – ORIENTED YARN or PARTIALLY ORIENTED YARN. Receiving the orientation degree of high-speed spinning in orientation between the wire and tensile wire not completely stretch of chemical fiber filament. Compared with undrawn yarn, it has a certain degree of orientation, good stability, widely used for tensile false twist textured yarn (DTY) special wire.
SPEC：50D-600D
