... 6 FDY, Catonic FDY, polyester FDY 20D--600D SD, TBR,black color 2. 30/24, 40/12, 40/34, 90/36, ... yarn and cationic polyester yarn FDY ( full drawn yarn ), DTY ( texturized yarn ) with semi dull, full dull, trilobal bright, monofilament yarn, ... DTY yarn is from 20D to 210D.The dope dyed black yarn is FDY and DTY yarn from 50D to ... , Cationic FDY, polyester FDY yarn, 20D--600D, SD,TBR,black color yarn