dope dyed yarn, black yarn, coloured yarn dope dyed yarn, black yarn, coloured yarn:Using experienced PES spun dyed skill, our dope-dyed polyester tarn has trilobal cross section, vivid luster ... .9 levels. We can make various colors of dope-dyed polyester yarn according to client's samples or requirements.Products Uses:Top ... color 50D-600D, Bicolor 50D-150D, Tricolor 75D-300D. dope dyed yarn