Heading 25.18
US HTSDolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
2 subheadings · 2 tariff lines
Source: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.