fuel rust preventive agent
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 |
| 3403195000 | 40.8% | CN | US | 官方文档 |
| 3811210000 | 41.5% | CN | US | 官方文档 |
| 3824992900 | 41.5% | CN | US | 官方文档 |
| 3824994900 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🛢️ Fuel Rust Preventive Agent (Hydraulic Oil Rust Preventive Agent)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Strategic Clearance Strategy for Chemical Additives
📌 I. Product Definition & Classification: What Exactly is "Fuel/Hydraulic Oil Rust Preventive Agent"?
In international trade, Rust Preventive Agents (often marketed as additives for hydraulic oil, fuel, or mineral oil) are complex chemical mixtures designed to protect metal surfaces from corrosion. Their classification depends entirely on their chemical composition and primary function.
Two Main Categories: 1. Specific Mineral Oil/Asphalt Base (Chapters 3403): Products explicitly described as preparations for treating mineral oils or asphaltic minerals. These are often classified under 3403.19. 2. General Chemical Preparations (Chapter 38): Products that act as lubricant additives, hydrocarbon-based mixtures, or "catch-all" chemical preparations not specifically detailed elsewhere. These are often classified under 3811.21 or 3824.99.
⚠️ Critical Distinction Point:
- If the product is explicitly a preparation for treating mineral oils with a base of petroleum/mineral oil → 3403.19
- If the product is an additive for lubricants or a general chemical mixture → 3811.21 or 3824.99
- Note: Many traders use "Fuel Rust Preventive" colloquially, but customs looks at the technical formulation.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Mapping)
| HS Code | Product Description | Applicable Scenario | Key Component/Function |
|---|---|---|---|
3403.19.10.00 |
Rust preventive agents, matching rust preventive uses, containing petroleum oils or bituminous minerals | Standard hydraulic oil rust inhibitors | ✅ Base: Petroleum/Mineral Oil |
3403.19.50.00 |
Rust preventive agents, matching rust preventive uses, containing petroleum oils or bituminous minerals | Alternative classification for specific mineral oil bases | ✅ Base: Petroleum/Bituminous Minerals |
3811.21.00.00 |
Rust preventive agents, classified as lubricant additives, for the preparation of mineral oil liquids | Industrial lubricant additives | ✅ Function: Lubricant Additive |
3824.99.29.00 |
Rust preventive agents, classified as chemical preparations, catch-all category for chemical mixtures | General chemical mixtures not elsewhere specified | ✅ Nature: Chemical Mixture |
3824.99.49.00 |
Rust preventive agents, classified as chemical mixtures composed of hydrocarbons | Hydrocarbon-based chemical blends | ✅ Nature: Hydrocarbon Mixture |
🔍 Key Reminder:
- 3403.19 applies when the product is primarily defined as a treatment for mineral oils.
- 3811 and 3824 apply when the product is an additive or a general chemical mixture.
- Misclassification Risk: Declaring a complex chemical mixture (3824) as a simple mineral oil treatment (3403) can lead to customs audits if the SDS (Safety Data Sheet) reveals complex synthetic additives.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Surcharges)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: 2025 November 10 onwards (including subsequent imports)
🎯 1. 3403.19.10.00 & 3403.19.50.00 —— Rust Preventive Agents (Mineral Oil Base)
| Item | Content |
|---|---|
| Base Duty | 0.2% (for .10) / 5.8% (for .50) |
| Section 301 Surtax | +25.0% |
| IEEPA Surtax (122 Clause) | +10.0% |
| Total Effective Rate | 35.2% (for .10) / 40.8% (for .50) |
| Tax Calculation | CIF Value × Total Rate |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | USITC:3403.19.10.00 → Footnote: Section 301 → IEEPA:122 Clause |
📌 Explanation:
- These codes benefit from a very low base duty (especially .10 at 0.2%).
- However, the 35.2% - 40.8% total rate is significant due to the叠加 (stacking) of Section 301 and IEEPA surcharges.
- Strategy: If your product fits the strict definition of "preparation for treating mineral oils," 3403.19.10.00 is the lowest cost option (35.2%) among all choices.
🎯 2. 3811.21.00.00 —— Lubricant Additives
| Item | Content |
|---|---|
| Base Duty | 6.5% |
| Section 301 Surtax | +25.0% |
| IEEPA Surtax (122 Clause) | +10.0% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:3811.21.00.00 → Footnote: Section 301 → IEEPA:122 Clause |
📌 Note:
- If customs determines your product is primarily a lubricant additive rather than a mineral oil treatment, it may default to 3811.
- The rate (41.5%) is slightly higher than the cheapest 3403 option but lower than other 3824 variants.
🎯 3. 3824.99.29.00 & 3824.99.49.00 —— General Chemical Mixtures (Hydrocarbons)
| Item | Content |
|---|---|
| Base Duty | 6.5% |
| Section 301 Surtax | +25.0% |
| IEEPA Surtax (122 Clause) | +10.0% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:3824.99.29.00 / 3824.99.49.00 → Footnote: Section 301 → IEEPA:122 Clause |
📌 Warning:
- These are "catch-all" codes. Customs may prefer these only if no more specific code applies.
- 3824.99.49.00 is specific to "hydrocarbon mixtures." If your product is not purely hydrocarbon-based, this code is risky.
- Rate is 41.5%, same as 3811, but higher than the optimal 3403.19.10.00.
🛠️ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)
✅ 1. Required Documentation Checklist
| Document | Mandatory? | Explanation |
|---|---|---|
| ✅ Safety Data Sheet (SDS) | ✔️ CRITICAL | Must clearly state chemical composition, base ingredients (petroleum vs. synthetic), and primary function (rust prevention vs. lubrication). |
| ✅ Product Specification Sheet | ✔️ | Details viscosity, additive package, and intended application (e.g., "for hydraulic systems"). |
| ✅ Commercial Invoice | ✔️ | Must accurately describe the product (e.g., "Hydraulic Oil Rust Preventive Agent, HS Code 3403.19.10"). |
| ✅ Origin Certificate (CO) | ✔️ | Proves Chinese origin; essential for applying correct surcharges. |
| ✅ Customs Ruling (if available) | ✔️ | If you have a prior CBP ruling, include it to support your HS Code choice. |
✅ 2. Declaration Strategy (Key Mantra)
🔥 “Base Defines Code, Function Defines Rate! Don't Mix Mineral Oil with Chemical Mixtures!”
| Scenario | Correct Declaration | Incorrect Declaration | Risk |
|---|---|---|---|
| Product is mainly petroleum-based for treating oil | 3403.19.10.00 |
3824.99.49.00 |
Overpayment (41.5% vs 35.2%) |
| Product is a synthetic additive for lubricants | 3811.21.00.00 |
3403.19.10.00 |
Misclassification, potential penalty |
| Product is a generic chemical mix | 3824.99.29.00 |
3403.19.50.00 |
Incorrect base duty calculation |
| Split Shipment | One HS Code per shipment | Splitting into multiple HS Codes | Increased scrutiny, higher compliance cost |
✅ 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| OEM/Private Label | Ensure the SDS matches the declarant’s description. If the formula is proprietary, emphasize the base ingredients (e.g., "contains >50% petroleum oil"). |
| Mixed Packaging | If shipped with other chemicals, ensure they are not classified together if they have different HS Codes. |
| Dispute with Customs | If CBP challenges your HS Code, provide a technical justification letter from the manufacturer explaining why it fits 3403 (mineral oil treatment) vs 3811/3824 (additive/mixture). |
🌍 V. Global Market Comparison (2026 Update)
| Country/Region | Recommended HS Code | Base Duty | Total Rate (CN Origin) | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3403.19.10.00 |
0.2% | 35.2% | Lowest among options; requires strict mineral oil definition. |
| 🇺🇸 USA | 3811.21.00.00 |
6.5% | 41.5% | Common for lubricant additives. |
| 🇨🇳 China | 3403.19.10.00 |
0.2% | ~0.2% | Low import duty; no 301/IEEPA surcharges. |
| 🇪🇺 EU | 3811.10.00 |
6.5% | ~6.5% | No Section 301/IEEPA; different HS structure. |
| 🇦🇺 Australia | 3403.19.00 |
5.0% | ~5.0% | No surcharges; straightforward classification. |
📌 Conclusion:
- USA is the highest cost market due to 301 + IEEPA surcharges.
- Optimization Strategy: If your product is chemically justified as a mineral oil treatment, 3403.19.10.00 is the best choice to minimize costs (35.2% vs 41.5%).
- China/EU/AU: Focus on accurate functional description to avoid duties.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Using 3824.99 as a lazy fallback
👉 Consequence: Higher duty (41.5%) vs 35.2%; potential customs audit for misclassification.
❌ Error 2: Declaring "Fuel Additive" but using HS Code for "Hydraulic Oil Treatment"
👉 Consequence: Mismatch between product name and HS Code function; delays and requests for additional info.
❌ Error 3: Ignoring IEEPA 122 Clause
👉 Consequence: Underpayment of 10%; fines and interest.
❌ Error 4: Not providing SDS
👉 Consequence: Customs cannot verify composition; product held or reclassified to worst-case scenario.
✅ Correct Approach:
"Rust Preventive Agent for Hydraulic Oil, Petroleum-Based, HS Code 3403.19.10.00, SDS Attached"
🎯 VII. Conclusion: Precise Classification Saves Money!
🎯 Remember the Mantra:
🔹 “Petroleum Base = 3403 (35.2%); Additive = 3811/3824 (41.5%); Choose Wisely!”
🔹 “SDS is King, Function is Queen, HS Code is the Crown!”
📌 Pro Tip:
If your product is not originally from China (e.g., Vietnam, Thailand), you may avoid IEEPA/301 surcharges, reducing the total rate to Base Duty + 0%.
Consider supply chain diversification if volumes are high.
📣 Immediate Action:
📞 Consult a licensed customs broker
📄 Prepare SDS + Product Specs
🚀 Get an Advance Ruling from CBP to secure your HS Code and duty rate.
✨ Professional clearance starts with precise classification!
💼 Every percentage point counts in your profit margin!
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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。