Harmonized Tariff Schedule of the U.S. › Chapter 25 Salt; sulphur; earths and stone; plastering materials, lime and cement
2519.90.50.00Tariff line
Classification path
Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure
2519
Other
Other
2519.90.50.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg
Unitkg
Printed page 1352
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301: not on any listN/A—8-digit subheading 2519.90.50 is not on Lists 1–4B or the four-year-review lists
Confirmed total 12.5% · max 12.5%Full duty breakdown →