Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3827.65.00.00Tariff line
Classification path
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included
3827
Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs)
Other, not included in the subheadings above, containing 20 percent or more by mass of difluoromethane (HFC-32) and 20 percent or more by mass of pentafluoroethane (HFC-125)
3827.65.00.00
Rates of duty
General rate (Column 1)3.7%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1683
Measure flags
for origin CN, entry date 2026-10-26 · base rate 3.7%
- 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 3827.65.00 is on L3
- 232 steel / aluminum / copper & derivatives (removed from scope)—N/A—3827.65.00 was on the 232 list and has been deleted from note 16 (2026-04-06); Mixtures containing 20 percent or more by mass of difluoromethane (HFC-32) and 20 percent or more by mass of pentafluoroethane (HFC-125), nesoi
- AD/CVD: 4 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 4 casesConditionalAD 267.51% + CVD 14.43% / AD 221.06% / AD 216.37%A570137 / C570138; A570121; A570028
- PGAEPA EH2 · requiredEPA EP7
Confirmed total 41.2% · max 323.14%Full duty breakdown →