Section 11 Textiles and textile articles 54 Man-made filaments; strip and the like of man-made textile materials 54 03 Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex. 54 03 10 High tenacity yarn of viscose rayon, Commodity Code Description 54 03 10 00 High tenacity yarn of viscose rayon,