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HSChapter 38
U.S. imports of lubricating oil additives containing petroleum or bituminous mineral oils (HS 381121) totaled $50.0M in April 2026, traded with 22 countries.
Importers of Lubricating Oil Additives Containing Petroleum or Bituminous Mineral Oils paid $6.1M in duties in April 2026 — an effective duty rate of 17% on $35.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataPetroleum-oil-containing lubricant additives — detergents, dispersants, viscosity-index improvers, and anti-wear packages blended into a mineral oil carrier — are classified under a single 10-digit line (3811210000) and are a critical input for finished engine oil and industrial lubricant formulations. France leads US import supply, followed by Mexico and Italy, reflecting the global footprint of major additive technology companies headquartered in Europe and their North American blending operations. Because these preparations contain petroleum-derived carrier oils, importers must confirm whether the petroleum content triggers any additional customs valuation or chemical reporting obligations.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The dividing line is whether the preparation contains petroleum oils or oils obtained from bituminous minerals as a component. If it does, classification falls under 381121; if the carrier or base is non-petroleum (e.g., synthetic ester or polyalkylene glycol), the preparation falls under 381129. This distinction is important because the two headings carry different tariff treatment, and misclassification is a common audit finding for lubricant additive importers.
While China does not appear among the top suppliers for this specific heading, any petroleum-oil-containing lubricant additive originating from China would need to be evaluated for Section 301 exposure. Importers sourcing from multiple origins should verify the country of origin of the additive concentrate itself, not just the blending location, as processing in a third country does not automatically confer a new origin.
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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 |
|---|---|---|---|---|
| 3811210000 | ADDITIVES FOR LUB OIL CONT PETRO/BITUMINOUS MINERL | $50.0M | 17.01% | $6.1M |
ADDITIVES FOR LUB OIL CONT PETRO/BITUMINOUS MINERL
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3811210000 | ADDITIVES FOR LUB OIL CONT PETRO/BITUMINOUS MINERL | $157.8M |
ADDITIVES FOR LUB OIL CONT PETRO/BITUMINOUS MINERL
33.2M 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
ARTIFICAL GRAPHITE
HS 380110
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $17.8M | $59.6M | +$41.8M |
| New Jersey | $9.0M | $21.8M | +$12.8M |
| Louisiana | $7.1M | $18.2M | +$11.1M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $10.8M | $45.5M | +$34.8M |
| NEW ORLEANS, LA | $6.3M | $12.5M | +$6.3M |
| LAREDO, TX | $5.8M | $11.8M | +$6.0M |