... 1.4D-20D 2) Dyed in process, permanent color fastening 3)bright colors, high color fastness, durability Features: 1) Specifications: 1 ... .4D - 20D 2) Dyed in process, permanent color fastening 3) Suitable for making spin yarn blended with ... on masterbatches,colored fiber special on bright colors, high color fastness, excellent resistent to sunlight, good durability, environmentally ...