Lubricating Oil胶质Inhibitor
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3403191000 | 35.2% | CN | US | 官方文档 |
| 3811210000 | 41.5% | CN | US | 官方文档 |
| 3403195000 | 40.8% | CN | US | 官方文档 |
| 3811190000 | 41.5% | CN | US | 官方文档 |
| 3811290000 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🛢️ Lubricating Oil Gum Inhibitor (Anti-Gumming Additives)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Clearance Strategy
📌 1. Product Definition & Classification: Do You Really Understand "Lubricating Oil Additives"?
Lubricating Oil Gum Inhibitors are chemical additives specifically designed to prevent the formation of gums, varnishes, and sludge in lubricating oils during storage and operation. They are a subset of antioxidants and stabilizers. In international trade, their classification depends strictly on two critical factors: 1. Chemical Composition: Does it contain petroleum oils/bituminous oils? 2. Primary Function: Is it specifically an "additive for lubricating oils" (Ch. 38) or a "lubricating preparation" (Ch. 34)?
⚠️ Key Distinction Point:
- If the product is a concentrated additive whose main purpose is to modify the properties of lubricating oil (including preventing gum formation), and it is not based on petroleum oil as a lubricant carrier itself, it falls under HS 3811.
- If the product is a preparation where petroleum oil is the base carrier (even if it contains additives), and it is used for lubrication/treatment, it may fall under HS 3403.
- The decisive factor: HS 3811.29 covers "Additives for lubricating oils" (chemical concentrates), while HS 3403 covers "Lubricating preparations" (formulated mixtures).
📦 2. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Petroleum Content |
|---|---|---|---|
3811.29.00.00 |
Additives for lubricating oils: Other Includes gum inhibitors, oxidation inhibitors, viscosity improvers, etc., that are NOT containing petroleum oils as a basic constituent. |
Pure chemical additives (e.g., phenolic amines, zinc dithiophosphates) sold as concentrates to be blended into base oil. | ❌ No (or <70%) |
3811.21.00.00 |
Additives for lubricating oils: Containing petroleum oils or oils obtained from bituminous minerals | Additive concentrates where the carrier/binder is petroleum oil. | ✅ Yes |
3403.19.10.00 |
Lubricating preparations: Other: Containing 50% or more by weight of petroleum oils... | Formulated lubricating treatments (e.g., cutting fluids, rust preventives) where petroleum is a major component but not necessarily >70%. | ✅ Yes (50-70%) |
3403.19.50.00 |
Lubricating preparations: Other: Other | Preparations containing <50% petroleum oils, or non-petroleum based lubricating treatments. | ✅ Yes (<50%) or No |
🔍 Key Reminder:
- Gum Inhibitors are chemically classified as "Prepared Additives" under Chapter 38. Therefore, HS 3811 is the most accurate category for pure gum inhibitors.
- If your product is a "lubricating preparation" (Chapter 34), it must be used for oil/grease treatment, and the description must explicitly state it is a "preparation," not just an "additive."
- Do not misclassify a pure chemical additive as a "lubricating preparation" to seek lower duties, as Customs may reclassify based on composition and function.
💰 3. 2026 Latest Tariff Rate Details (Including Additional Taxes)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: November 10, 2025 onwards
🎯 1. 3811.29.00.00 —— Lubricating Oil Additives (Other, e.g., Pure Gum Inhibitors)
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% (ad valorem) |
| Section 301 Additional Duty | +25.0% (From USITC Footnote 9903.88.01) |
| Total Duty Rate | 31.5% |
| Tax Calculation | CIF Value × 31.5% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3811.29.00.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- The 6.5% is the standard MFN (Most Favored Nation) duty for chemical additives.
- The 25% is the Section 301 tariff imposed on Chinese goods.
- Total 31.5% is applied. This is a high tariff category for chemical additives.
🎯 2. 3811.21.00.00 —— Lubricating Oil Additives (Containing Petroleum Oils)
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% (ad valorem) |
| Section 301 Additional Duty | +25.0% |
| Total Duty Rate | 31.5% |
| Tax Calculation | CIF Value × 31.5% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | USITC:3811.21.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- Same tariff rate as3811.29.00.00. The presence of petroleum oil in the additive formulation does not lower the duty rate under Chapter 38.
- Essential for additives where the chemical inhibitors are dissolved in a petroleum solvent/carrier.
🎯 3. 3403.19.10.00 —— Lubricating Preparations (Containing ≥50% Petroleum Oils)
| Item | Content |
|---|---|
| Base Duty Rate | 0.2% (ad valorem) |
| Section 301 Additional Duty | +25.0% |
| Total Duty Rate | 25.2% |
| Tax Calculation | CIF Value × 25.2% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | USITC:3403.19.10.00 → FOOTNOTE:9903.88.01 |
📌 Strategy Alert:
- This rate (25.2%) is lower than the 31.5% under HS 3811.
- However, you can only use this HS Code if the product is legally defined as a "Lubricating Preparation" under Chapter 34, meaning it is used as a lubricant or treatment, not just an additive to be mixed in.
- If Customs determines it is primarily an "additive" (chemical concentrate), they will reclassify it to HS 3811, resulting in back taxes and penalties.
🎯 4. 3403.19.50.00 —— Lubricating Preparations (Other, e.g., <50% Petroleum Oils)
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% (ad valorem) |
| Section 301 Additional Duty | 0.0% |
| Total Duty Rate | 0.0% |
| Tax Calculation | None |
| De Minimis Eligibility | ❌ No (Section 301 may still apply depending on specific footnote interpretations, but base rate is 0) |
| Legal Basis Path | USITC:3403.19.50.00 |
📌 Critical Warning:
- While the base rate is 0%, Section 301 duties usually apply to most Chinese imports unless specifically exempted.
- However, the data provided shows 0.0% total tax for this code. This implies either a specific exemption or that the Section 301 list does not cover this specific subheading for Chinese goods (rare, but possible).
- If applicable, this is the most cost-effective code, but only if the product can be legally classified as a "lubricating preparation" with low petroleum content or non-petroleum base.
- Risk: High risk of misclassification if the product is actually a chemical additive.
🛠️ 4. Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
✅ 1. Document Checklist (Essential)
| Document | Required | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly state "Gum Inhibitor" or "Oxidation Inhibitor" and its chemical function. |
| ✅ Formula/Composition List | ✔️ | Crucial for determining if it contains ≥50% petroleum oils. |
| ✅ Product Photos | ✔️ | Show container, label, and any "For Mixing" or "Additive" instructions. |
| ✅ Technical Data Sheet (TDS) | ✔️ | Explain how the product is used (e.g., "Add 1-2% to base oil"). |
| ✅ Commercial Invoice | ✔️ | Clearly describe as "Lubricating Oil Additive" or "Gum Inhibitor," not "Lubricating Oil." |
| ✅ Certificate of Origin (CO) | ✔️ | To prove origin and apply correct tariffs. |
✅ 2. Declaration Tips (Key Mantras)
🔥 "Function Dictates Code, Formula Dictates Tax!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure chemical gum inhibitor | 3811.29.00.00 |
Claiming it's a "lubricant" → Risk of penalty |
| Additive dissolved in petroleum solvent | 3811.21.00.00 |
Hiding petroleum content → Seizure |
| Ready-to-use rust preventive fluid | 3403.19.10.00 or 3403.19.50.00 |
Calling it an "additive" → Missed opportunity for lower duty |
| Concentrated additive | Always 3811.xx |
Misclassifying as Chapter 34 to save duty |
✅ 3. Special Cases
| Case | Handling Advice |
|---|---|
| OEM Private Label Additives | Provide client agreement and formula. Ensure description matches the product's actual use (additive vs. lubricant). |
| Multi-Function Additives | If it also acts as a corrosion inhibitor, still classify under 3811.29.00.00 unless petroleum content pushes it to 3403. |
| Bulk vs. Retail | Classification is based on product nature, not packaging. Bulk drums of gum inhibitors are still 3811. |
| Pre-Mixed Oil | If the gum inhibitor is already mixed into the oil at >70% oil content, it becomes Lubricating Oil (HS 2710), not an additive. |
🌍 5. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty Rate (China Origin) | Certification Requirement | Remarks |
|---|---|---|---|---|
| 🇺🇸 USA | 3811.29.00.00 |
31.5% (6.5% Base + 25% Sec 301) | EPA Registration (if applicable) | High tariff due to trade war. |
| 🇨🇳 China | 3811.29.00.00 |
0% (MFN or FTA) | N/A | No additional tariffs for domestic trade. |
| 🇪🇺 EU | 3811.29.00 |
0% | REACH Registration | Free trade under many FTAs. |
| 🇬🇧 UK | 3811.29.00 |
0% | UK REACH | Post-Brexit tariffs often aligned with EU. |
| 🇯🇵 Japan | 3811.29.00 |
0% | JIS Standards | No additional tariffs. |
📌 Conclusion:
- The USA is the only major market with high additional tariffs on these products.
- For the US market, cost optimization requires strict compliance with HS 3811, as misclassification risks are high.
- Alternative: If the product can be formulated as a "lubricating preparation" with <50% petroleum content (HS 3403.19.50.00), it may qualify for 0% duty, but this is risky and requires robust technical justification.
📌 6. Common Errors & Pitfalls (Blood Lessons)
❌ Error 1: Classifying a pure chemical additive as "Lubricating Oil" (HS 2710) to avoid duty.
👉 Consequence: Customs will reclassify to 3811 → Back taxes + 25% Sec 301 + Penalties!
❌ Error 2: Claiming HS 3403.19.50.00 (0% duty) for a petroleum-based additive.
👉 Consequence: If petroleum content >50% or function is "additive," reclassified to 3811 → 6.3% tax difference per unit accumulates quickly.
❌ Error 3: Failing to disclose petroleum content in the formula.
👉 Consequence: Customs laboratory testing reveals hidden petroleum → Misdeclaration penalties.
❌ Error 4: Using vague descriptions like "Chemical Mixture" on invoices.
👉 Consequence: Customs delay for further info → Demurrage charges and missed delivery dates.
✅ Correct Practice:
"Lubricating Oil Gum Inhibitor (Chemical Additive), Model XYZ, Containing Phenolic Amines, Used for Engine Oil Stabilization, Net Weight 20kg Drum"
🎯 7. Conclusion: Professional Declaration Saves Money!
🎯 Remember the Mantra:
🔹 "Additive = 3811 (31.5%), Preparation = 3403 (Check Content), Formula is Key!"
🔹 "Don't Risk Misclassification, 25% Sec 301 Will Destroy Your Margin!"
📌 Pro Tip:
If you are shipping to the USA, consider:
1. Pre-Consultation: Submit a Binding Ruling Request to US Customs (CBP) for your specific formulation.
2. Supply Chain Shift: If duties are too high, consider sourcing from Vietnam, Mexico, or India (check FTAs) to avoid Section 301 tariffs.
3. Formulation Adjustment: Work with chemists to see if a "lubricating preparation" formulation (Ch. 34) is technically feasible and compliant.
📣 Immediate Action:
📞 Contact a Licensed Customs Broker + Provide Detailed Formula + Request Advance Ruling
🚀 Ensure Your Lubricating Oil Additives Clear Smoothly, Avoid Surprises, and Maximize Profit!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every Percent of Tariff Saved is Pure Profit!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。