4411.93 - Of a density exceeding 0.5 g/cm3 but not exceeding 0.8 g/cm3 :

This HTS category, 4411.93, specifically covers fiberboard made from wood or other ligneous materials that has been bonded with resins or other organic substances. The defining characteristic of this classification is its density, which must be greater than 0.5 grams per cubic centimeter but not exceeding 0.8 grams per cubic centimeter. This range places it in the medium-density category of fiberboards.

It is crucial to distinguish this category from its siblings. HTS code 4411.92 encompasses fiberboards with a density exceeding 0.8 g/cm³, which are considered high-density fiberboards. Conversely, 4411.94.00 covers fiberboards with a density not exceeding 0.5 g/cm³, representing low-density options. Therefore, the precise measurement of density is the primary determinant for classifying fiberboard within these "Other" sub-classifications under 4411.9.

Within the 4411.93 category, further subdivisions exist to refine classification based on post-manufacturing treatments. Subcategory 4411.93.10.00 addresses fiberboard that has not undergone any mechanical working or surface covering, representing the raw or minimally processed material. The "Other" subcategory then encompasses all other fiberboard within this density range that has been subjected to additional treatments such as laminating, veneering, painting, or other mechanical enhancements, allowing for a more granular and precise tariff assignment.