Rubber Anti aging Agent Compound
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3403990000 | 41.5% | CN | US | Official Doc |
| 3403195000 | 40.8% | CN | US | Official Doc |
| 2904995000 | 38.7% | CN | US | Official Doc |
| 2904994700 | 40.5% | CN | US | Official Doc |
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π‘οΈ Rubber Anti-aging Agent Compound (RAC)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy π I. Product Definition & Classification: Do You Really Understand "Rubber Anti-aging Agents"?
Rubber Anti-aging Agents are critical chemical additives used to protect rubber materials from degradation caused by oxygen, ozone, heat, light, and mechanical stress. In international trade, their classification is complex and depends heavily on their chemical composition and primary function.
They generally fall into two main categories:
1. Chemical Preparations for Rubber Treatment (Chapter 34): Products primarily classified as "lubricating preparations," "anti-rust preparations," or "processing agents" where the chemical nature is secondary to the application (protection/handling of materials).
2. Organic Chemical Compounds (Chapter 29): Pure chemical substances, specifically sulfonated, nitrated, or nitrosated derivatives of hydrocarbons, or other specific organic compounds, where the chemical structure is the defining characteristic.
β οΈ Key Distinction Point: - If the product is a mixture/preparation specifically marketed for "rubber processing/protection" and doesn't fit a specific pure chemical definition β Often falls under Chapter 34. - If the product is a pure organic compound (e.g., a specific sulfonated aromatic derivative) β Falls under Chapter 29.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Mapping)
| HS Code | Product Description | Application Scenario | Chemical Nature | Tax Detail Breakdown |
|---|---|---|---|---|
3403.99.00.00 |
Rubber Anti-aging Agents (Preparations) | Lubrication/Protection preparations; chemical treatments for materials. | Chemical preparation for material protection. | Total Tax: 41.5% β’ Base: 6.5% β’ Additional: 25.0% β’ 122 Clause: 10% |
3403.19.50.00 |
Chemical Treatment Agents for Rubber | Materials (rubber) processing preparations. | Lubrication/Treatment agents. | Total Tax: 40.8% β’ Base: 5.8% β’ Additional: 25.0% β’ 122 Clause: 10% |
2904.99.50.00 |
Natural Rubber Anti-aging Agent | Organic compounds; hydrocarbon derivatives. | Natural rubber additive. | Total Tax: 38.7% β’ Base: 3.7% β’ Additional: 25.0% β’ 122 Clause: 10% |
2904.99.47.00 |
Natural Rubber Anti-aging Agent (Derivatives) | Sulfonated, nitrated, or nitrosated derivatives of hydrocarbons. | Aromatic derivative. | Total Tax: 40.5% β’ Base: 5.5% β’ Additional: 25.0% β’ 122 Clause: 10% |
π Key Reminder: - The Base Tariff varies significantly (3.7% β 6.5%) depending on whether it's classified as a chemical (Ch 29) or a preparation (Ch 34). - The Additional Tariff (25%) and 122 Clause (10%) are consistent across all codes, leading to high total tax burdens (38.7% β 41.5%). - Misclassification between Chapter 29 and 34 can lead to significant tax discrepancies or customs audits.
π° III. 2026 Latest Tariff Rate Explanation (Including Surcharges & Policy Additions)
β Applicable Country: United States (US) β Origin: China (CN) β Effective Time: Current Trade Policy (2025-2026)
π― 1. 3403.99.00.00 ββ Rubber Anti-aging Agents (Preparations)
| Item | Content |
|---|---|
| Base Rate | 6.5% (Ad valorem) |
| Additional Tariff (Section 301) | +25% |
| 122 Clause Tariff | +10% |
| Total Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Eligible (High-risk commodity for small parcels) |
| Legal Basis Path | HTSUS:3403.99.00.00 β Section 301 Footnote β 122 Clause |
π Explanation: - "Additional Tariff 25%" is applied under Section 301 of the Trade Act for specific Chinese-origin goods. - "122 Clause 10%" refers to specific U.S. Customs and Border Protection (CBP) enforcement clauses often applied to chemical preparations to prevent evasion or ensure proper valuation. - Combined 41.5% is a very high tax burden. Cost planning must include this.
π― 2. 3403.19.50.00 ββ Chemical Treatment Agents for Rubber
| Item | Content |
|---|---|
| Base Rate | 5.8% |
| Additional Tariff (Section 301) | +25% |
| 122 Clause Tariff | +10% |
| Total Rate | 40.8% |
| Tax Calculation | CIF Value Γ 40.8% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3403.19.50.00 β Section 301 β 122 Clause |
π Note: - Slightly lower base rate (5.8%) than
3403.99(6.5%), but the surcharge is the same. - Suitable for "lubricating" or "processing" agents where the primary function is handling the rubber material.
π― 3. 2904.99.50.00 ββ Natural Rubber Anti-aging Agent (Organic Compound)
| Item | Content |
|---|---|
| Base Rate | 3.7% (Lowest Base Rate) |
| Additional Tariff (Section 301) | +25% |
| 122 Clause Tariff | +10% |
| Total Rate | 38.7% |
| Tax Calculation | CIF Value Γ 38.7% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:2904.99.50.00 β Section 301 β 122 Clause |
π Note: - Lowest Total Tax (38.7%) among all options due to the lowest base rate (3.7%). - Applicable if the product is a pure organic compound (e.g., specific hydrocarbon derivatives). - Requires precise chemical documentation to prove it's a compound, not a generic mixture.
π― 4. 2904.99.47.00 ββ Natural Rubber Anti-aging Agent (Derivatives)
| Item | Content |
|---|---|
| Base Rate | 5.5% |
| Additional Tariff (Section 301) | +25% |
| 122 Clause Tariff | +10% |
| Total Rate | 40.5% |
| Tax Calculation | CIF Value Γ 40.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:2904.99.47.00 β Section 301 β 122 Clause |
π Note: - Applicable to sulfonated, nitrated, or nitrosated derivatives of hydrocarbons (Aromatic derivatives). - Requires detailed Molecular Structure and CAS Number declaration.
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)
β 1. Required Documentation Checklist (Non-negotiable)
| Document | Mandatory | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must include Chemical Name, CAS Number, Formula, Purity, and Function. |
| β MSDS (Material Safety Data Sheet) | βοΈ | Essential for chemical clearance. Must match HS Code classification. |
| β Certificate of Analysis (COA) | βοΈ | Proves purity and composition (critical for Ch 29 classification). |
| β Commercial Invoice | βοΈ | Must specify "Rubber Anti-aging Agent" and not just "Chemical Mixture". |
| β Packing List | βοΈ | Clear weight/volume details. |
| β Import/Export License | βοΈ | Check if the specific chemical requires EPA/CGA registration. |
β 2. Declaration Techniques (Key Mantra)
π₯ βPure Chemicals Go to Ch29, Mixtures Go to Ch34. CAS Number is King!β
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure Organic Compound (e.g., Naphthylamine derivative) | 2904.99.50.00 |
Misdeclare as "Rubber Additive" β Ch34 (Higher Base Tax) |
| Sulfonated Derivative | 2904.99.47.00 |
Generic "Anti-aging Agent" β Audit Risk |
| Mixture/Preparation for Rubber Processing | 3403.99.00.00 |
Misdeclare as pure chemical β Customs Rejection |
| Any of the above | Clear CAS Number in Declaration | Vague Description β Delay/Seizure |
β 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Formula | Provide supplierβs technical data sheet. If itβs a proprietary mixture, Ch34 is safer. |
| High Purity (>98%) | Strong argument for Ch29 (Organic Compound). Provide COA. |
| Low Purity / Blends | Likely Ch34 (Preparation). Declare as "Chemical Preparation for Rubber". |
| EPA/CGA Registration | Check if the substance is on the TSCA Inventory. Unlisted substances require EPA notification. |
π V. Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 2904.99.50.00 |
38.7% (Lowest Base) | TSCA Compliance | High total tax (38.7%-41.5%). Ch29 preferred for pure compounds. |
| π¨π³ China | 2904.99.50.00 |
~3.7% | None | Low base tax. Ch34 also ~6.5%. |
| πͺπΊ EU | 2904.99.50.00 |
~5-6% | REACH Compliance | REACH registration is critical. No Section 301 surcharge. |
| π―π΅ Japan | 2904.99.50.00 |
~6-8% | FSCA (Food Safety, if applicable) | Standard import duties. |
π Conclusion: - USA is the most expensive market due to Section 301 (25%) + 122 Clause (10%). - Ch29 (
2904.99.50.00) offers the lowest total tax (38.7%) in the US among the options, but requires strict proof of chemical purity/identity. - Ch34 (3403.99.00.00) is safer for mixtures but has a higher base rate (6.5%).
π VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
β Error 1: Declaring a Mixture as a Pure Chemical (2904...)
π Consequence: Customs rejects declaration due to lack of CAS/Purity proof β Demurrage & Return.
β Error 2: Declaring a Pure Compound as a Preparation (3403...)
π Consequence: Overpaying base tax (6.5% vs 3.7%) β Lost Profit.
β Error 3: Omitting CAS Number π Consequence: Customs cannot verify HS Code β Audit & Delay.
β Error 4: Ignoring TSCA/REACH Compliance π Consequence: Seizure of goods for regulatory non-compliance.
β Correct Practice:
βRubber Anti-aging Agent, [Chemical Name], CAS No. [XXXX-XX-X], Purity 98%, Organic Compound, for Rubber Processing.β
π― VII. Conclusion: Precision in Classification Saves Money!
π― Remember the Mantra:
πΉ βPure? Go Ch29 (38.7%). Mixture? Go Ch34 (40.8-41.5%). CAS Number is Mandatory!β πΉ β301 + 122 = 35% Surcharge. Donβt let classification errors cost you more!β
π Tips:
- If your product is exclusively for industrial rubber use and is a mixture, 3403.99.00.00 is the most appropriate and defensible code.
- If it is a single, pure chemical entity, 2904.99.50.00 is the most cost-effective (38.7% total).
- Always obtain a Pre-Ruling from CBP if the chemical nature is ambiguous.
π£ Immediate Action:
π Contact your customs broker with the CAS Number and MSDS. π Optimize your supply chain by selecting the correct HS Code to minimize the 38.7%-41.5% total tax burden.
β¨ Professional Customs Clearance Starts with Accurate Classification! πΌ Every Percent Counts in Chemical Imports!
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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.