| 550911 | 550911 - Yarn; (not sewing thread), single, of synthetic staple fibres |
| 550912 | 550912 - Yarn; (not sewing thread), multiple (folded) or cabled yarn, |
| 550921 | 550921 - Yarn; (not sewing thread), single, of synthetic staple fibres |
| 550922 | 550922 - Yarn; (not sewing thread), multiple (folded) or cabled yarn, |
| 550931 | 550931 - Yarn; (not sewing thread), single, of synthetic staple fibres |
| 550932 | 550932 - Yarn; (not sewing thread), multiple (folded) or cabled, of sy |
| 550941 | 550941 - Yarn; (not sewing thread), single, containing 85% or more by |
| 550942 | 550942 - Yarn; (not sewing thread), multiple (folded) or cabled yarn, |
| 550951 | 550951 - Yarn; (not sewing thread), of polyester staple fibres, mixed |
| 550952 | 550952 - Yarn; (not sewing thread), of polyester staple fibres, mixed |
| 550953 | 550953 - Yarn; (not sewing thread), of polyester staple fibres, mixed |
| 550959 | 550959 - Yarn; (not sewing thread), of polyester staple fibres, mixed |
| 550961 | 550961 - Yarn; (not sewing thread), of acrylic or modacrylic staple fi |
| 550962 | 550962 - Yarn; (not sewing thread), of acrylic or modacrylic staple fi |
| 550969 | 550969 - Yarn; (not sewing thread), of acrylic or modacrylic staple fi |
| 550991 | 550991 - Yarn; (not sewing thread), of synthetic staple fibres, mixed |
| 550992 | 550992 - Yarn; (not sewing thread), of synthetic staple fibres, mixed |
| 550999 | 550999 - Yarn; (not sewing thread), of synthetic staple fibres, mixed |