4411: Fiberboard of wood or other ligneous materials

441111: Fiberboard >0.8 g/cm2 not worked or surface covered 441119: Fiberboard >0.8 g/cm2 nes 441121: Fiberboard >0.5 g/cm2 <0.8 g/cm2 not worked or surface covered 441129: Fiberboard >0.5 g/cm2 <0.8 g/cm2 nes 441131: Fiberboard >0.35 g/cm2 <0.5 g/cm2 not worked or surface covered 441139: Fiberboard >0.35 g/cm2 <0.5 g/cm2 nes 441191: Fiberboard not worked or surface covered nes (0.35 g/cm2 & less) 441199: Fiberboard nes (0.35 g/cm2 & less) 4411: Fiberboard of wood or other ligneous materials