油品抗凝剂
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3820000000 | 24.0% | CN | US | Official Doc |
| 3811190000 | 41.5% | CN | US | Official Doc |
| 3402905050 | 38.7% | CN | US | Official Doc |
| 3402901000 | 38.8% | CN | US | Official Doc |
| 3811290000 | 41.5% | CN | US | Official Doc |
AI Analysis
🛢️ Anti-Congelant Agents for Oils (Oil Anti-Gel Agents)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What Exactly is "Anti-Congelant"?
Oil Anti-Congelant Agents (Oil Anti-Gel Agents) are specialized chemical additives primarily used in diesel fuels, lubricating oils, and hydraulic fluids to improve low-temperature flow properties. Their main functions include lowering the pour point, preventing wax crystallization, and ensuring smooth engine operation in cold environments.
In international trade, these products are classified based on their chemical nature and primary function. They generally fall into two broad categories: 1. General Chemical Anti-Icing/Anti-Freeze Agents: Classified under Chapter 38 (Miscellaneous Chemical Products). 2. Lubricating Oil Additives: Classified under Chapter 34 or 38, specifically as preparations for improving the properties of lubricating oils.
⚠️ Critical Distinction:
- If the product is primarily an anti-icing/de-icing fluid for fuels or general chemical application → Look at HS 3820 or 3811.
- If the product is primarily an anti-foaming agent or detergent for lubricating oils, even if it has minor anti-gel properties, it may be classified under HS 3402 or 3811 depending on the specific formulation and primary advertised function.
- Key Rule: The "primary function" test applies. If anti-gel is the main feature, Chapter 38 is more likely. If it's a multi-purpose additive (e.g., anti-foam + anti-wear), customs may look at the dominant ingredient or purpose.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the potential HS Codes for Oil Anti-Congelant/Related Chemical Additives:
| HS Code | Product Description | Summary from Data | Total Tax Rate | Applicable Scenario |
|---|---|---|---|---|
| 3820.00.00.00 | Anti-icing & De-icing Liquids | Oil anti-gel classified as anti-icing/de-icing liquid, similar to anti-congelant use | 24.0% | Fuel anti-gel, general chemical anti-icing fluids |
| 3811.19.00.00 | Liquid Chemical Additives | Oil anti-gel as liquid chemical additive, fits anti-congelant category | 41.5% | Broad-spectrum liquid chemical additives for oils/fuels |
| 3402.90.50.50 | Chemical Preparations | Oil anti-foaming agent classified as chemical preparation, similar function to anti-congelant | 38.7% | Primarily anti-foaming agents with chemical base |
| 3402.90.10.00 | Surface Active Agents | Oil anti-foaming agent as surface active preparation, similar attribute to anti-congelant | 38.8% | Surfactant-based anti-foaming additives |
| 3811.29.00.00 | Lubricating Oil Additives | Oil anti-foaming agent as lubricating oil additive, consistent use with anti-congelant | 41.5% | Lubricant additives (anti-foam, detergent, etc.) |
| 3811.90.00.00 | Mineral Oil Additives | Oil anti-foaming agent as mineral oil additive, classification matches anti-congelant | 41.5% | Additives for mineral oils not elsewhere specified |
🔍 Key Observation:
- HS 3820.00.00.00 offers the lowest tax rate (24%) but is specifically for "anti-icing & de-icing liquids." If your product is marketed specifically as a fuel anti-gel/anti-icing agent, this is the best fit.
- HS 3811 codes carry a higher 41.5% tax rate. These are for "lubricating oil additives" or "liquid chemical additives." If the product is a multi-functional additive for engine oil or industrial lubricants, these codes apply.
- HS 3402 codes (38.7% - 38.8%) are for "surface active preparations" and "chemical preparations." These are often used for anti-foaming agents. If your "anti-gel" product is also a strong anti-foaming agent, customs might classify it here, but 3811 or 3820 are more precise for anti-gel functions.
- Note: The provided data links "anti-foaming agents" to these HS codes. If your product is purely anti-gel, you must argue for 3820 or 3811 based on function. If it's a hybrid, customs may use the "essential character" test.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Additions)
✅ Applicable Country: USA (US)
✅ Origin: China (CN)
✅ Effective Time: November 10, 2025 onwards (including subsequent imports)
🎯 1. 3820.00.00.00 —— Anti-Icing & De-Icing Liquids
| Item | Detail |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Surtax (Section 301) | +7.5% (Additional tariff for Chinese origin) |
| 122 Clause Tariff | +10% (Under Section 301, specific provision) |
| Total Tariff | 24.0% |
| Tax Calculation | CIF Value × 24% |
| De Minimis Exemption | ❌ Not Applicable (deny_de_minimis) |
| Legal Basis Path | Section 301: 75% → 122 Clause: 10% → USITC: 3820.00.00.00 |
📌 Explanation:
- This is the most favorable rate for anti-gel agents if classified as "anti-icing/de-icing liquids."
- The 7.5% surtax is lower than the 25% seen in other codes, making this code strategically important for cost optimization.
- 122 Clause: An additional 10% under specific trade enforcement provisions.
🎯 2. 3811.19.00.00 —— Liquid Chemical Additives (Other)
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| Surtax (Section 301) | +25.0% (High additional tariff for Chinese origin) |
| 122 Clause Tariff | +10% |
| Total Tariff | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | Section 301: 25% → 122 Clause: 10% → USITC: 3811.19.00.00 |
📌 Explanation:
- This code carries a 25% surtax, significantly higher than the 7.5% in HS 3820.
- Use this only if the product is clearly a "liquid chemical additive" not fitting the "anti-icing" definition of HS 3820.
🎯 3. 3811.29.00.00 & 3811.90.00.00 —— Lubricating Oil & Mineral Oil Additives
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| Surtax (Section 301) | +25.0% |
| 122 Clause Tariff | +10% |
| Total Tariff | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Applicable |
📌 Explanation:
- These codes are for additives specifically for lubricating oils.
- The 25% surtax makes them less attractive unless the product is explicitly marketed and used as a lubricant additive.
🎯 4. 3402.90.50.50 & 3402.90.10.00 —— Surface Active & Chemical Preparations
| Item | Detail |
|---|---|
| Base Tariff | 3.7% - 3.8% |
| Surtax (Section 301) | +25.0% |
| 122 Clause Tariff | +10% |
| Total Tariff | 38.7% - 38.8% |
| Tax Calculation | CIF Value × ~38.8% |
| De Minimis Exemption | ❌ Not Applicable |
📌 Explanation:
- Slightly lower total rate than HS 3811 due to a lower base tariff (3.7-3.8% vs. 6.5%), but still burdened by the 25% surtax.
- These codes are typically for anti-foaming agents or detergents. If your product is primarily anti-gel, do not use this code unless you can prove its primary function is surface activity/anti-foaming.
🛠️ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)
✅ 1. Documentation Checklist (Mandatory)
| Document | Must Provide | Purpose |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Clearly states "Anti-Gel," "Pour Point Improver," or "Fuel Anti-Icing Agent" |
| ✅ Technical Data Sheet (TDS) | ✔️ | Shows chemical composition and primary function (anti-gel vs. anti-foam) |
| ✅ Product Photos | ✔️ | Label must clearly indicate intended use (e.g., "Diesel Fuel Anti-Gel Additive") |
| ✅ Certificate of Analysis (COA) | ✔️ | Proves chemical identity and concentration |
| ✅ Commercial Invoice | ✔️ | Use precise description: "Chemical Anti-Gel Agent for Diesel Fuel" |
| ✅ MSDS (Safety Data Sheet) | ✔️ | Required for hazardous chemical classification and transport |
✅ 2. Classification Strategy (Key Mantra)
🔥 "Function First, Name Precise, 3820 is King, 3811 is Backup!"
| Scenario | Recommended HS Code | Risk Level |
|---|---|---|
| Pure Anti-Gel for Diesel/Fuel | 3820.00.00.00 |
✅ Low Tax (24%) |
| Multi-Functional Additive (Anti-Gel + Anti-Foam) | 3811.19.00.00 or 3811.29.00.00 |
⚠️ High Tax (41.5%) |
| Primarily Anti-Foaming Agent | 3402.90.50.50 or 3402.90.10.00 |
⚠️ Medium Tax (38.7-38.8%) |
| Lubricant Oil Additive (Not Fuel) | 3811.29.00.00 or 3811.90.00.00 |
⚠️ High Tax (41.5%) |
📌 Critical Tip:
- Do NOT misclassify a fuel anti-gel as a lubricant additive to avoid duties. Customs uses the primary function test. If the product is marketed for diesel fuel, 3820 is the correct and most cost-effective code.
- If the product is a blend (e.g., anti-gel + detergent), you must declare the primary function. If anti-gel is secondary, it may be classified under 3811, increasing taxes by 17.5% (41.5% - 24%).
✅ 3. Special Cases & Handling
| Case | Handling Advice |
|---|---|
| OEM/Private Label | Provide client agreement and product specs to prove intended use. |
| Mixed Shipments | Declare anti-gel and other chemicals separately with distinct HS codes. Do not bundle under one code if functions differ. |
| Hazardous Chemicals | If the product is classified as hazardous, additional fees and safety data sheets (MSDS) are required. Ensure proper UN packaging. |
| Pre-Ruling Application | Highly recommended for new or complex formulations. Submit samples and technical data to CBP for an Advance Ruling to lock in the HS code and tariff rate. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Key Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3820.00.00.00 |
24.0% | EPA, TSCA | 41.5% if misclassified under 3811 |
| 🇨🇳 China | 3820.00.00.00 |
0% (Check latest) | CCC (if applicable) | Domestic trade benefits |
| 🇪🇺 EU | 3820.00.90 |
0-6.5% | REACH, CLP | Lower surtaxes compared to US |
| 🇬🇧 UK | 3820.00.90 |
0-6.5% | UKCA, REACH | Post-Brexit regulations apply |
| 🇯🇵 Japan | 3820.00.00 |
3-6.5% | PSE, Chemical Substances Control Law | No major surtaxes |
📌 Conclusion:
- USA has the highest scrutiny and surtaxes for chemical products from China.
- HS 3820.00.00.00 is the optimal code for fuel anti-gel agents, saving 17.5% in tariffs compared to HS 3811 codes.
- EU and UK offer lower base tariffs but require strict REACH/CLP compliance.
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Classifying fuel anti-gel under 3402 (Anti-foaming) to save taxes.
👉 Consequence: Customs will reject the classification, apply 3811 (41.5%), and issue penalties.
❌ Mistake 2: Using vague descriptions like "Chemical Additive" without specifying function.
👉 Consequence: Customs will assign the highest possible duty rate (41.5%) based on their internal assessment.
❌ Mistake 3: Ignoring the "122 Clause" surtax.
👉 Consequence: Unexpected 10% additional cost if not included in the total tax calculation.
❌ Mistake 4: Failing to provide a Technical Data Sheet (TDS).
👉 Consequence: Delayed clearance, additional inspection fees, and potential misclassification.
✅ Correct Approach:
"Diesel Fuel Anti-Gel Agent, Chemical Composition: Polymethacrylate, Primary Function: Lower Pour Point, HS Code: 3820.00.00.00"
🎯 VII. Conclusion: Professional Classification, Cost Optimization!
🎯 Remember the Mantra:
🔹 "Fuel Anti-Gel → HS 3820 (24%) → Save 17.5%! "
🔹 "Lubricant Additive → HS 3811 (41.5%) → Pay More! "
🔹 "Anti-Foam → HS 3402 (38.8%) → Middle Ground! "
📌 Pro Tip:
If your product is a multi-functional additive (e.g., anti-gel + anti-foam + detergent), consider separating the formulations or clearly declaring the primary function as anti-gel to qualify for HS 3820.
Apply for an Advance Ruling from CBP to secure the 24% rate and avoid post-import audits.
📣 Immediate Action:
📞 Contact a licensed customs broker + Provide TDS/MSDS + Submit for Advance Ruling
🚀 Ensure Smooth Clearance, Minimize Duties, Maximize Profit!
✨ Professional Classification Starts with Precision!
💼 Every Percent of Duty Saved is Pure Profit!
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) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — 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 — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — 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.