Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3824.99.19.00Tariff line
Classification path
Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included
3824
Other
Other
Cultured crystals (other than optical elements of chapter 90), weighing not less than 2.5 g each
Other
3824.99.19.00
Rates of duty
General rate (Column 1)6.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 250%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1675
Measure flags
for origin CN, entry date 2026-10-25 · base rate 6.5%
- 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 3824.99.19 is on L3
- 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
Confirmed total 44% · max 297.37%Full duty breakdown →