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Home > HTS Codes > Chapter 69 > 6903

Custom Duty Rate for HTS Code 6903 : Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods (excluding those of siliceous fossil meals or of similar siliceous earths, and refractory bricks, blocks, tiles and similar refractory ceramic constructional goods)

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
6903.10Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods, containing, by weight, 50% graphite, other carbon or a mixture thereof (excluding refractory bricks, blocks, tiles and similar refractory ceramic constructional goods)
6903.10.00.00Refractory ceramic goods containing by weight more than 50 percent of free carbonkgFree50.00%
6903.20Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods, containing 50% alumina, or a compound of alumina and silica (excluding refractory bricks, blocks, tiles and similar refractory ceramic constructional goods)
6903.20.00.00Refractory ceramic goods containing by weight more than 50 percent of alumina or a mixture of alumina and silicakgFree30.00%
6903.90Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods (excluding those of siliceous fossil meals or similar siliceous earths, those of heading 6902, containing 50% carbon or containing 50% by weight of alumina [al203] or a mixture or compound of alumina and silica [sio2])
6903.90.00Refractory ceramic goods such as crucibles and nozzles comprised of materials containing 50 percent or less of free carbon, alumina, or silicaFree30.00%
6903.90.00.10Refractory ceramic goods of clay comprised of materials containing 50 percent or less of free carbon, alumina, or silicakg
6903.90.00.50Refractory ceramic goods of non-clay materials containing 50 percent or less of free carbon, alumina, or silicakg

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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