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HSChapter 38
U.S. imports of refrigerant mixtures containing 40% or more hfc-125 (pentafluoroethane), nesoi (HS 382763) totaled $1.5M in April 2026, traded with 5 countries.
Importers of Refrigerant Mixtures Containing 40% or More HFC-125 (Pentafluoroethane), NESOI paid $205K in duties in April 2026 — an effective duty rate of 14% on $1.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Refrigerant Mixtures Containing 40% or More HFC-125 (Pentafluoroethane), NESOI imports of $1.5M in April 2026 ran 237% above the year-to-date monthly average of $448K.
Last updated: April 2026 dataBlends with 40% or more pentafluoroethane (HFC-125) that are not captured by the more specific 55%-or-more subheading (382762) fall here as a residual NESOI category, covering formulations such as R-410A — the dominant residential and commercial air-conditioning refrigerant for much of the past two decades. The United Arab Emirates, India, and China are the top three US suppliers, reflecting the significant role of Gulf-region and South Asian blending operations in supplying the North American HVAC aftermarket. All imports remain subject to EPA AIM Act allowance requirements, and Chinese-origin shipments carry Section 301 exposure.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
R-410A is a near-azeotropic blend of approximately 50% HFC-32 and 50% HFC-125. Because its HFC-125 content is below the 55% threshold of subheading 382762 but at or above 40%, it classifies under 382763. Importers should confirm the exact mass percentages on the product's composition certificate, as slight reformulations could shift classification.
A manufacturer's composition certificate or safety data sheet (SDS) showing the mass percentages of each HFC component is essential. Customs brokers also typically require the EPA allowance transfer documentation, commercial invoice identifying the refrigerant blend designation, and, for reclaimed refrigerant, evidence of reclamation to AHRI 700 purity standards if applicable.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 3827630000 | MIXTURES CONTAINING GT=40% HFC-125, NESOI | $1.5M | 13.70% | $205K |
MIXTURES CONTAINING GT=40% HFC-125, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3827630000 | MIXTURES CONTAINING GT=40% HFC-125, NESOI | $883K |
MIXTURES CONTAINING GT=40% HFC-125, NESOI
64.1K kg
PRODUCTS AND RESIDUALS OF CHEMICAL INDUSTRY, NESOI
HS 382499
DIAGNOSTIC OR LABORATORY REAGENTS INCL KITS, NESOI
HS 382219
CHEM ELEM DOPED, USED IN ELECTRON, DISCS WAFERS ET
HS 381800
SUPPORTED CATALYSTS W PREC METAL/PREC MTL COMPND
HS 381512
SUPPORTED CATALYSTS, NESOI
HS 381519
ADDITIVE FOR LUB OIL CONT PETRO/BITUMINOUS MINOIL
HS 381121
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $1.5M | -- | -$1.5M |
| NEW ORLEANS, LA | -- | $538K | +$538K |
| PEMBINA, ND | -- | $207K | +$207K |