Chapter 69 · Ceramic products · Section 13
HS Code 6903.20
Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)
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
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 6903.20
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 6903.20.00 | Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) | Free | - | 30% | kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 6903.20
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 6903 20 90 | Containing, by weight, 45 % or more of alumina (Al2O3) | EU duty (TARIC) → |
| 6903 20 10 | Containing, by weight, less than 45 % of alumina (Al2O3) | EU duty (TARIC) → |
| 6903 20 00 | Containing, by weight, more than 50 % of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) | EU duty (TARIC) → |
United Kingdom - commodity codes under 6903.20
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 6903 20 00 00 | Containing, by weight, more than 50 % of alumina (Al<sub>2</sub>O<sub>3</sub>) or of a mixture or compound of alumina and of silica (SiO<sub>2</sub>) | UK duty & VAT → |
| 6903 20 10 00 | Containing, by weight, less than 45 % of alumina (Al<sub>2</sub>O<sub>3</sub>) | UK duty & VAT → |
| 6903 20 90 00 | Containing, by weight, 45 % or more of alumina (Al<sub>2</sub>O<sub>3</sub>) | UK duty & VAT → |
Other subheadings in 6903
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.