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HSChapter 38
U.S. imports of refrigerant mixtures containing 40% or more hfc-125 (pentafluoroethane), nesoi (HS 382763) totaled $5.6M in July 2026, traded with 5 countries.
Importers of Refrigerant Mixtures Containing 40% or More HFC-125 (Pentafluoroethane), NESOI paid $722K in duties in July 2026 — an effective duty rate of 13% on $5.5M 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 $5.6M in July 2026 ran 220% above the year-to-date monthly average of $1.8M.
Last updated: July 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.
57 shipments/mo
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.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3827630000 | Mixtures Containing Gt=40% Hfc-125, NESOI | $5.6M | 12.86% | 97.86% | $722K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3827630000 | Mixtures Containing Gt=40% Hfc-125, NESOI | $815K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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ImportsExports
Imports
$5.6MYoY · Pro
Exports
$815KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
India and Mexico together supply 99% of it.
customs district
destination
entry
rate provision · imports
2.1% enters free of duty; the effective duty rate is 12.86%.