What HS code 6903.20 covers
HS code 6903.20 classifies refractory ceramic goods; containing by weight more than 50% of alumina or of a mixture or compound of alumina and of silica, excluding those of siliceous fossil meals or similar earths. It is a subheading of heading 6903 (Ceramic goods; (e.g. retorts, crucibles, muffles, nozzles, plugs, supports cupels, tubes, pipes, sheaths, rods and slide gates) excluding those of siliceous fossil meals or of similar siliceous earths), in chapter 69 (Ceramic products), section XIII of the Harmonized System. These six digits are identical in every country that uses the HS.
Classification path
Import duty for 6903.20
仅为最惠国基础税率。中国原产货物还可能在此之上叠加301条款关税和2025年IEEPA关税。
来源：HTSUS / CBP
对第三国普遍适用的最惠国税率。各国17%至27%不等的进口增值税，以及任何反倾销措施，均需另行计算。
来源：TARIC
Imported this in 2024 or 2025?
Courts voided some of the tariffs importers paid on goods like this. You may be owed money back. The audit is free and we only get paid when you do.
Related codes in heading 6903
Not quite the right fit? These subheadings sit under the same heading and are the most common alternatives to 6903.20.
- 6903.10 Refractory ceramic goods; containing, by weight, more than 50% of free carbon, excluding those of siliceous fossil meals or similar earths
- 6903.90 Refractory ceramic goods; composition of which n.e.c. in heading no. 6903, other than those of siliceous fossil meals or similar earths
Confirm the code for your exact product
A 6-digit subheading still covers a range of products. The wrong code at the border can mean overpaying duty, a delayed shipment, or a penalty. Describe your exact item and HS Mate confirms whether 6903.20 is right, with the duty rate and an audit trail your customs broker can accept.