The description of the item 540249002015 of Turkey HScode: Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex: Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Other: Exceeding 6, 7 tex: Single layer synthetic yarns (used for the manufacture of carbon fibred yarns), of a length of 100 m or more, of a weight of 0, 12 gr/m or more but not exceeding 375 gr/m, in roving and having 1000 or more but less than 25 000 filament, containing of a weight 85% or more of acrylonitrile