Diesel Lubricity Additive
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3811290000 | 41.5% | CN | US | Official Doc |
| 3811210000 | 41.5% | CN | US | Official Doc |
| 3403191000 | 35.2% | CN | US | Official Doc |
| 3811190000 | 41.5% | CN | US | Official Doc |
| 3824994900 | 41.5% | CN | US | Official Doc |
AI Analysis
β½ Diesel Lubricity Additive (Fuel Economy & Engine Protection)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
π Part I: Product Definition & Classification: Do You Truly Understand "Diesel Lubricity Additive"?
A Diesel Lubricity Additive is a specialized chemical formulation added to diesel fuel to reduce friction and wear in high-pressure fuel injection systems (such as common rail injectors and fuel pumps). Unlike bulk lubricants, these are chemical preparations designed for a specific purpose: enhancing the lubricating properties of low-sulfur diesel fuels.
In international trade, classification hinges on two critical factors: 1. Primary Function: Is it a generic lubricant, a chemical mixture, or a fuel additive? 2. Composition: Does it contain significant amounts of mineral oil/petroleum products, or is it primarily a synthetic chemical compound?
β οΈ Key Distinction Point:
- If the product is primarily a chemical preparation (often labeled as "additive" or "compound") without a dominant base oil content β Falls under Chapter 38 (Miscellaneous Chemical Products).
- If the product is a prepared lubricating oil containing β₯50% petroleum oil β Falls under 3403 (Lubricating preparations).
- Note: US Customs (CBP) often scrutinizes "additives" to ensure they aren't being misclassified to avoid higher Section 301 or IEEPA tariffs.
π¦ Part II: HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Below are the 5 most probable HS Codes for Diesel Lubricity Additives, based on the provided data source. Note that the Total Tax Rate varies significantly depending on the specific chemical composition and customs interpretation.
| HS Code | Product Description | Matching Logic & Application | Total Tax Rate (US Import from CN) |
|---|---|---|---|
| 3811.29.00.00 | Other Lubricant Additives | High Precision Match: Explicitly named "Lubricant Additive." Classified as a chemical additive. Since it is in the "Other" category, there is no conflict with material/shape descriptions. It is a pure additive concentrate. | 41.5% |
| 3811.21.00.00 | Lubricant Additives Based on Mineral Oils | Logical Inference: The name matches "Lubricant Additive." "Compound/Blend" is a common form. Reasonably inferred to contain mineral oil components, fitting the "Mineral Oil Base" subheading. No material conflict. | 41.5% |
| 3403.19.10.00 | Other Lubricating Preparations (Petroleum Base) | Usage-Based Match: Classified as a lubricating preparation. Based on common sense, it is inferred to contain β₯50% petroleum oil or bituminous minerals, fitting the classification logic for petroleum-based lubricants. No material conflict. | 35.2% |
| 3811.19.00.00 | Other Liquid Additives for Similar Purposes | Purpose-Based Match: Matches the purpose of "fuel additives." Inferred material is liquid chemical additive, consistent with anti-knock/mixture additive attributes. Note: While "Diesel" is specified, this code covers "Other" additives for similar purposes. | 41.5% |
| 3824.99.49.00 | Other Chemical Products & Preparations | Material-Based Match: Diesel additives are chemical industry products. Main components are typically mixtures of hydrocarbons from petroleum, shale oil, or natural gas. Fits the character of chemical products/hydrocarbon mixtures. | 41.5% |
π Critical Insight:
- 3811.29.00.00 and 3811.21.00.00 are the most direct classifications for "Additives."
- 3403.19.10.00 offers a slightly lower base tax but requires proof that the product is predominantly a "lubricating preparation" (β₯50% oil).
- 3811.19.00.00 is a potential fallback if the product is strictly a fuel additive rather than a lubricant additive, but the tax rate remains high.
π° Part III: 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
β Applicable Country: USA (US)
β Country of Origin: China (CN)
β Effective Date: November 10, 2025 (and onwards)
π― 1. Standard Chemical Additives (Codes: 3811.29, 3811.21, 3811.19, 3824.99)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (Standard MFN Rate) |
| Section 301 Surcharge | +25.0% (USITC Footnote 9903.88.01 / Section 301 List 4) |
| IEEPA Surcharge | +10.0% (Executive Order 14117 - Targeted Sectors) |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis applies to Section 301/IEEPA goods) |
| Legal Basis Path | IEEPA:9903.01.25 β Section 301: 9903.88.01 β USITC: 3811.x9.00.00 |
π Explanation:
- The 6.5% base tariff is the standard duty for miscellaneous chemical products.
- The 25% Section 301 tariff applies to most chemical goods from China.
- The 10% IEEPA tariff is a recent addition targeting specific Chinese chemical imports under Executive Order 14117.
- Total 41.5% is a very high burden. Misclassification to a lower rate is risky and can lead to audits.
π― 2. Lubricating Preparation (Code: 3403.19.10.00)
| Item | Content |
|---|---|
| Base Tariff | 0.2% (Standard MFN Rate) |
| Section 301 Surcharge | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 35.2% |
| Tax Calculation | CIF Value Γ 35.2% |
| De Minimis Eligibility | β Not Eligible |
| Legal Basis Path | IEEPA:9903.01.24 β Section 301: 9903.88.01 β USITC: 3403.19.10.00 |
π Savings Potential:
- This code saves 6.3% in total tax compared to the 41.5% bracket.
- However, it requires strong evidence that the product is β₯50% petroleum oil by weight. If it is a synthetic chemical additive, this classification may be rejected by CBP.
π οΈ Part IV: Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)
β 1. Required Documentation Checklist (Mandatory)
| Document | Mandatory? | Explanation |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must detail chemical composition, % of active ingredients, and base material (mineral vs. synthetic). |
| β Safety Data Sheet (SDS) | βοΈ | Critical for determining if the product is considered a "lubricating preparation" (3403) vs. "chemical additive" (3811). |
| β Formula/Composition Breakdown | βοΈ | Must show if mineral oil content is β₯50%. If <50%, 3811 codes are safer. |
| β Commercial Invoice | βοΈ | Description must be precise: "Diesel Lubricity Additive, Chemical Composition," NOT just "Fuel." |
| β Certificate of Origin (CO) | βοΈ | Essential for verifying Chinese origin and applying correct surcharges. |
| β Packaging Photos | βοΈ | Show labeling, hazard classes, and volume. |
β 2. Declaration Strategy (Key Mnemonic)
π₯ βBase Oil Determines Chapter, Additive Dictates Code, Donβt Mix 3811 and 3403!β
| Scenario | Correct HS Code | Error Consequence |
|---|---|---|
| Synthetic Chemical Additive (Low oil content) | 3811.29.00.00 |
If misdeclared as 3403 β Audit Risk + Back Taxes |
| Mineral Oil-Based Additive (β₯50% oil) | 3403.19.10.00 or 3811.21.00.00 |
If misdeclared as 3824 β Potential Overpayment or Underpayment depending on interpretation |
| Generic "Fuel Additive" (Vague) | 3824.99.49.00 |
High risk of CBP reclassification to 3811 with penalties |
| Blended Lubricant (Ready-to-use) | 3403 |
If itβs a concentrate additive, do NOT use 3403 |
π Crucial Tip:
- If the product is a concentrate meant to be mixed with diesel, 3811 is the most defensible classification.
- Avoid using 3824.99.49.00 unless no other specific chemical heading fits, as it is a "basket" code and attracts more scrutiny.
β 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Blends | Provide supplierβs formula sheet. Prove if itβs mineral or synthetic based. |
| High-Volume Imports | Consider applying for an Advance Ruling from CBP to lock in the HS Code (3811 vs. 3403) before shipment. |
| Part of a Fuel Package | If sold as a complete fuel treatment kit, declare as the additive. Do not split. |
| Hazardous Material | Ensure UN Number and Proper Shipping Name are on the Bill of Lading. Failure = Delay/Return. |
π Part V: Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Est. Duty Rate (China Origin) | Certification/Notes |
|---|---|---|---|
| πΊπΈ USA | 3811.29.00.00 |
41.5% | IEEPA 10% + Section 301 25% + Base 6.5%. High cost. |
| π¨π³ China | 3811.29.00.00 |
6.5% | Standard import duty. No IEEPA. |
| πͺπΊ EU | 3811.29.00 |
3.7% | Standard EU duty. No US-style surcharges. REACH compliance required. |
| π¬π§ UK | 3811.29.00 |
3.7% | Post-Brexit tariff. REACH compliance required. |
| π¨π¦ Canada | 3811.29.00.00 |
5.0% | MFN rate. No Section 301. |
| π¦πΊ Australia | 3811.29.00.00 |
5.0% | FTA benefit may apply depending on origin. |
π Conclusion:
- The USA is the most expensive market for diesel lubricity additives due to IEEPA and Section 301 tariffs.
- Cost Optimization: If possible, source from Vietnam, Mexico, or Thailand to potentially bypass IEEPA/Section 301 (but verify substantial transformation rules).
- EU/UK/Canada offer significantly lower entry barriers.
π Part VI: Common Errors & Pitfall Guide (Blood-Teaching Lessons)
β Error 1: Declaring "Diesel Lubricity Additive" as "Motor Oil" (2710)
π Consequence: CBP will reject it as itβs not a finished lubricant. Penalty + Delay.
β
Fix: Use 3811 or 3403.
β Error 2: Claiming "Chemical Mixture" (3824) to avoid scrutiny
π Consequence: CBP will reclassify to 3811 (more specific) and assess back taxes + interest.
β
Fix: Be specific. Use 3811.29.
β Error 3: Ignoring the IEEPA 10% Surcharge
π Consequence: Budgeting only for Section 301 (25%) leads to unexpected 41.5% total cost.
β
Fix: Always calculate Base + 301 + IEEPA.
β Error 4: Vague Description "Fuel Additive"
π Consequence: CBP may classify as 3824.99.49.00 or hold the shipment for more info.
β
Fix: Use "Diesel Lubricity Additive, Chemical Composition, Mineral Oil Based/Synthetic".
π― Part VII: Conclusion: Precise Classification Saves Money!
π― Remember the Golden Rules:
πΉ β3811 for Additives, 3403 for Lubricants, Check the Oil Percentage!β
πΉ β41.5% is the US Reality for Chemicals from China β Plan Your Margin!β
πΉ βSDS and Formula are Your Best Friends in Customs!β
π Pro Tip:
If your diesel lubricity additive is synthetic and contains <50% mineral oil, 3811.29.00.00 is your safest and most accurate code.
If it is mineral-oil dominant (β₯50%), 3403.19.10.00 offers a slight tax saving (35.2% vs 41.5%), but requires robust proof.
π£ Immediate Action:
π Contact a Customs Broker + Provide SDS + Request Advance Ruling
π Ensure Your Diesel Additives Clear US Customs Smoothly, Efficiently, and Profitably!
β¨ Professional Clearance Starts with Precise Classification!
πΌ Every Penny of Tax Matters in the Chemical Trade!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.