Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2811.22.50.00Tariff line
Classification path
Other inorganic acids and other inorganic oxygen compounds of nonmetals
2811
Other inorganic oxygen compounds of nonmetals
Silicon dioxide
Other
2811.22.50.00
Rates of duty
General rate (Column 1)Free
Special—
Column 2Free
Unitkg
Printed page 1393
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2811.22.50 is on L3
- PGAFDA FD3EPA EP7
Confirmed total 37.5% · max 37.5%Full duty breakdown →