HS 6903 — Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths
HS heading 6903 (Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths) spans 3 products in U.S. import records, with 26,818 bill-of-lading shipments. The most imported are Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2), Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths, other, and Containing by weight more than 50 percent of free carbon.
Part of Chapter 69: Ceramic products
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/6903
Products under this heading
Frequently asked questions about HS 6903
What is HS code 6903?
HS 6903 covers other refractory ceramic goods. It is a 4-digit heading in chapter 69 (Ceramic products) of the Harmonized System, with 3 six-digit subheadings that appear in U.S. import records.
How many U.S. import shipments fall under HS 6903?
ImportDoor has 26,818 U.S. Customs bill-of-lading shipment records under HS heading 6903, updated monthly.
What is the most imported product under HS 6903?
Containing by weight more than 50 percent of alumina or of a mixture or compound (HS 690320) leads with 16,902 shipments, followed by Other refractory ceramic goods (HS 690390) and Containing by weight more than 50 percent of free carbon (HS 690310).