2511.10.50.00
Natural barium sulfate (barytes) / Other
Classification path
- Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816
- Natural barium sulfate (barytes)
- Other
Rates of duty
- General (MFN)
- $1.25/t
- Column 2Cuba, North Korea, Russia, Belarus
- $3.94/t
- Unit of quantity
- t
Trade agreement rates
Related lines in heading 2511
About heading 2511
Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816
Heading 2511 covers two natural barium minerals: natural barium sulfate, called barytes or barite, and natural barium carbonate, called witherite. Both stay in the heading whether or not they have been calcined, but barium oxide of heading 2816 is excluded. The heading splits three ways: ground barytes, other barytes, and witherite.
Full guide to heading 2511Products in this heading
- Ground barytes powder used as a weighting agent in drilling mud
- Ground barytes used as an extender or filler in paint
- Barytes lump or crude ore that has not been ground
- Calcined barytes for glass and chemical use
- Witherite used in glass and ceramic production
- Witherite sold as a chemical feedstock for barium compounds
- Barytes aggregate used in radiation-shielding concrete
Frequently asked questions
What is the HTS code for ground barytes?
Ground natural barium sulfate is classified under 2511.10.10.00. The general (MFN) rate for that line is Free.
What is the duty on barytes that is not ground?
Barytes other than ground falls under 2511.10.50.00. The general (MFN) rate is $1.25/t.
What is the HTS code for witherite?
Natural barium carbonate, whether or not calcined, is classified under 2511.20.00.00. The general (MFN) rate for that line is Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 22, 2026.