Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2818.10.20.10Tariff line
Classification path
Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide
2818
Artificial corundum, whether or not chemically defined
In grains, or ground, pulverized or refined
White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide
2818.10.20.10
Rates of duty
General rate (Column 1)1.3%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 24.1%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1396
Measure flags
for origin CN, entry date 2026-10-25 · base rate 1.3%
- Section 301 forced-labor tariff (12.5%)9903.05.86ExemptexemptOn the note 52(b) general exemption list (exempt by HTS line; enter under 9903.05.86)
- China 301 List 4A (9903.88.15)9903.88.15Applies+7.5%8-digit subheading 2818.10.20 is on L4A
- AD/CVD: 2 orders in placeConditional—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalAD 88.32% + CVD 165.05%A570190 / C570191
- PGAEPA EP7
Confirmed total 8.8% · max 262.17%Full duty breakdown →