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HSChapter 38
U.S. imports of waste metal-pickling liquors, hydraulic, brake & anti-freeze fluids (HS 382550) totaled $8K in June 2026, traded with 3 countries.
Waste Metal-Pickling Liquors, Hydraulic, Brake & Anti-Freeze Fluids imports of $8K in June 2026 ran 27% below the year-to-date monthly average of $11K.
Grouped under tariff line 3825500000, this heading captures four distinct industrial fluid waste streams: spent metal-pickling liquors (typically strong acid solutions from steel processing), used hydraulic fluids, spent brake fluids, and waste anti-freeze (primarily ethylene or propylene glycol-based coolants). Each stream has a different chemical profile and end-of-life management pathway — spent pickling liquors are often acid-rich and corrosive, while waste anti-freeze is widely reclaimed for re-refining. Importers should verify RCRA hazardous-waste status for each specific fluid type, as corrosivity or toxicity characteristics can trigger listed or characteristic waste designations regardless of the fluid's origin.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The HS nomenclature consolidates these streams because they share a common commercial context — all are spent functional fluids from industrial or automotive operations — rather than a common chemistry. For regulatory purposes, each fluid type must still be assessed individually under RCRA to determine its hazardous-waste status and the applicable management standards.
Waste ethylene glycol anti-freeze is widely reclaimed through distillation or reverse osmosis for reuse as coolant. As long as the material enters the US as a waste stream destined for reclamation, it remains classifiable here. Once reclaimed to commercial-grade specification, the recovered product would be classified under the appropriate heading for glycols rather than as a waste.
Monthly import values over time
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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 |
|---|---|---|---|---|---|
| 3825500000 | METALPCKLNG, HYDRAULIC, BRAKE, ANTIFREEZE FL WASTE | $8K | 4.53% | 45.34% | $365 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3825500000 | METALPCKLNG, HYDRAULIC, BRAKE, ANTIFREEZE FL WASTE | $531K |
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
ARTIFICAL GRAPHITE
HS 380110
ADDITIVE FOR LUB OIL CONT PETRO/BITUMINOUS MINOIL
HS 381121
| Port | Imports | Exports | Balance |
|---|---|---|---|
| DETROIT, MI | -- | $315K | +$315K |
| BUFFALO-NIAGARA FALLS, NY | -- | $154K | +$154K |
| JFK INTERNATIONAL AIRPORT, NY | -- | $24K | +$24K |