United States · Heading· 3 subheadings· 5 codes

6903Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slidge gates), other than those of siliceous fossil meals or of similar siliceous earths

Subheadings (6-digit WCO)

690310Containing by weight more than 50% of free carbon→690320- Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)→690390- Other→

United States tariff lines (10-digit)

All national sub-divisions in United States's tariff schedule

HS CodeDescriptionPrimary rate
6903.10.00.00Containing by weight more than 50 percent of free carbonFree
6903.20.00.00Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)Free
6903.90.00OtherFree
6903.90.00.10Of clayFree
6903.90.00.50OtherFree
United States HS 6903 · Other refractory ceramic goods (for example, retorts, crucib · Treayo