6902.90.10.20 - Other

This HTS category, 6902.90.10.20, encompasses refractory ceramic constructional goods that do not fall under specific subheadings within heading 6902. These are products designed to withstand high temperatures and are typically used in furnaces, kilns, and other high-heat industrial applications. This classification covers a broad range of such goods that are not specifically enumerated elsewhere within the heading, provided they meet the general criteria of refractory ceramic constructional materials.

Crucially, this category distinguishes itself from its sibling, 6902.90.10.10, "Clay." While both fall under the "Other" subheading of refractory bricks, blocks, tiles, and similar goods, 6902.90.10.10 is reserved for items predominantly composed of clay. This current node, 6902.90.10.20, is for those refractory ceramic goods that are not primarily clay-based or whose composition is otherwise not specifically identified as clay by the importer.

As this is a leaf node in the HTS classification system, there are no further subcategories. Therefore, classification within this HTS code relies on the definitive exclusion from more specific provisions within heading 6902 and the fulfillment of the broad definition of "other refractory ceramic constructional goods" not of siliceous fossil meals or similar siliceous earths. Importers should carefully consider the material composition and intended use to ensure correct classification.