2529.21.00.00
Containing by weight 97 percent or less of calcium fluoride
Classification path
- Feldspar; leucite, nepheline and nepheline syenite; fluorspar
- Fluorspar
- Containing by weight 97 percent or less of calcium fluoride
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- 13.5%
- Unit of quantity
- t
Related lines in heading 2529
- 2529.10.00.00Feldspar; leucite, nepheline and nepheline syenite; fluorspar / FeldsparFree
- 2529.22.00.00Containing by weight more than 97 percent of calcium fluorideFree
- 2529.30.00.10Leucite; nepheline and nepheline syenite / Nepheline syeniteFree
- 2529.30.00.50Leucite; nepheline and nepheline syenite / OtherFree
About heading 2529
Feldspar; leucite, nepheline and nepheline syenite; fluorspar
Heading 2529 covers feldspar; leucite, nepheline and nepheline syenite; and fluorspar. It splits by material first, then fluorspar by calcium fluoride content and the leucite/nepheline group by whether the item is nepheline syenite or other. All listed lines carry a Free general (MFN) rate.
Full guide to heading 2529Products in this heading
- Feldspar powder for ceramic glazes
- Feldspar for glass batches
- Fluorspar lumps with 97% or less calcium fluoride
- Acid-grade fluorspar with more than 97% calcium fluoride
- Nepheline syenite for glassmaking
- Leucite mineral concentrate
- Nepheline mineral powder
Frequently asked questions
What is the HTS code for feldspar?
Feldspar is classified under 2529.10.00.00, and the general (MFN) rate is Free.
What is the duty on fluorspar with more than 97% calcium fluoride?
Fluorspar containing more than 97% calcium fluoride falls under 2529.22.00.00, and the general (MFN) rate is Free.
How do I classify nepheline syenite?
Nepheline syenite is listed under 2529.30.00.10, and the general (MFN) rate is Free. Other items in that group fall under 2529.30.00.50, and the general (MFN) rate is Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 22, 2026.