Section 11 Textiles and textiles articles 52 Cotton 52 06 Cotton yarn, (other than sewing thread), containing <85% cotton by weight, not purs 52 06 15 Measuring less than 125 decitex (exceeding 80 metric number). Commodity Code Description 52 06 15 00 Measuring less than 125 decitex (exceeding 80 metric number).