Synthetic staple fibres, not carded, combed or otherwise processed for spinning

550311 Fibres; synthetic staple fibres, of aramids, not carded, combed or otherwise processed for spinning 550319 Fibres; synthetic staple fibres, of nylon or other polyamides other than aramids, not carded, combed or otherwise processed for spinning 550320 Fibres; synthetic staple fibres, of polyesters, not carded, combed or otherwise processed for spinning 550330 Fibres; synthetic staple fibres, acrylic or modacrylic, not carded, combed or otherwise processed for spinning 550340 Fibres; synthetic staple fibres, of polypropylene, not carded, combed or otherwise processed for spinning 550390 Fibres; synthetic staple fibres, of synthetic materials n.e.c. in heading no. 5503, not carded, combed or otherwise processed for spinning