Rubber Anti aging Agent Compound
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3403990000 | 41.5% | CN | US | 官方文档 |
| 3403195000 | 40.8% | CN | US | 官方文档 |
| 2904995000 | 38.7% | CN | US | 官方文档 |
| 2904994700 | 40.5% | CN | US | 官方文档 |
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AI分析
🛡️ Rubber Anti-aging Agent Compound (RAC)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy 📌 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.
⚠️ 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 → Often falls under Chapter 34. - If the product is a pure organic compound (e.g., a specific sulfonated aromatic derivative) → Falls under Chapter 29.
📦 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% • Base: 6.5% • Additional: 25.0% • 122 Clause: 10% |
3403.19.50.00 |
Chemical Treatment Agents for Rubber | Materials (rubber) processing preparations. | Lubrication/Treatment agents. | Total Tax: 40.8% • Base: 5.8% • Additional: 25.0% • 122 Clause: 10% |
2904.99.50.00 |
Natural Rubber Anti-aging Agent | Organic compounds; hydrocarbon derivatives. | Natural rubber additive. | Total Tax: 38.7% • Base: 3.7% • Additional: 25.0% • 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% • Base: 5.5% • Additional: 25.0% • 122 Clause: 10% |
🔍 Key Reminder: - The Base Tariff varies significantly (3.7% – 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% – 41.5%). - Misclassification between Chapter 29 and 34 can lead to significant tax discrepancies or customs audits.
💰 III. 2026 Latest Tariff Rate Explanation (Including Surcharges & Policy Additions)
✅ Applicable Country: United States (US) ✅ Origin: China (CN) ✅ Effective Time: Current Trade Policy (2025-2026)
🎯 1. 3403.99.00.00 —— 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 × 41.5% |
| De Minimis Exemption | ❌ Not Eligible (High-risk commodity for small parcels) |
| Legal Basis Path | HTSUS:3403.99.00.00 → Section 301 Footnote → 122 Clause |
📌 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.
🎯 2. 3403.19.50.00 —— 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 × 40.8% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | HTSUS:3403.19.50.00 → Section 301 → 122 Clause |
📌 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.
🎯 3. 2904.99.50.00 —— 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 × 38.7% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | HTSUS:2904.99.50.00 → Section 301 → 122 Clause |
📌 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.
🎯 4. 2904.99.47.00 —— 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 × 40.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | HTSUS:2904.99.47.00 → Section 301 → 122 Clause |
📌 Note: - Applicable to sulfonated, nitrated, or nitrosated derivatives of hydrocarbons (Aromatic derivatives). - Requires detailed Molecular Structure and CAS Number declaration.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)
✅ 1. Required Documentation Checklist (Non-negotiable)
| Document | Mandatory | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must include Chemical Name, CAS Number, Formula, Purity, and Function. |
| ✅ MSDS (Material Safety Data Sheet) | ✔️ | Essential for chemical clearance. Must match HS Code classification. |
| ✅ Certificate of Analysis (COA) | ✔️ | Proves purity and composition (critical for Ch 29 classification). |
| ✅ Commercial Invoice | ✔️ | Must specify "Rubber Anti-aging Agent" and not just "Chemical Mixture". |
| ✅ Packing List | ✔️ | Clear weight/volume details. |
| ✅ Import/Export License | ✔️ | Check if the specific chemical requires EPA/CGA registration. |
✅ 2. Declaration Techniques (Key Mantra)
🔥 “Pure Chemicals Go to Ch29, Mixtures Go to Ch34. CAS Number is King!”
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure Organic Compound (e.g., Naphthylamine derivative) | 2904.99.50.00 |
Misdeclare as "Rubber Additive" → Ch34 (Higher Base Tax) |
| Sulfonated Derivative | 2904.99.47.00 |
Generic "Anti-aging Agent" → Audit Risk |
| Mixture/Preparation for Rubber Processing | 3403.99.00.00 |
Misdeclare as pure chemical → Customs Rejection |
| Any of the above | Clear CAS Number in Declaration | Vague Description → Delay/Seizure |
✅ 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Formula | Provide supplier’s technical data sheet. If it’s 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. |
🌍 V. Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 2904.99.50.00 |
38.7% (Lowest Base) | TSCA Compliance | High total tax (38.7%-41.5%). Ch29 preferred for pure compounds. |
| 🇨🇳 China | 2904.99.50.00 |
~3.7% | None | Low base tax. Ch34 also ~6.5%. |
| 🇪🇺 EU | 2904.99.50.00 |
~5-6% | REACH Compliance | REACH registration is critical. No Section 301 surcharge. |
| 🇯🇵 Japan | 2904.99.50.00 |
~6-8% | FSCA (Food Safety, if applicable) | Standard import duties. |
📌 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%).
📌 VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
❌ Error 1: Declaring a Mixture as a Pure Chemical (2904...)
👉 Consequence: Customs rejects declaration due to lack of CAS/Purity proof → Demurrage & Return.
❌ Error 2: Declaring a Pure Compound as a Preparation (3403...)
👉 Consequence: Overpaying base tax (6.5% vs 3.7%) → Lost Profit.
❌ Error 3: Omitting CAS Number 👉 Consequence: Customs cannot verify HS Code → Audit & Delay.
❌ Error 4: Ignoring TSCA/REACH Compliance 👉 Consequence: Seizure of goods for regulatory non-compliance.
✅ Correct Practice:
“Rubber Anti-aging Agent, [Chemical Name], CAS No. [XXXX-XX-X], Purity 98%, Organic Compound, for Rubber Processing.”
🎯 VII. Conclusion: Precision in Classification Saves Money!
🎯 Remember the Mantra:
🔹 “Pure? Go Ch29 (38.7%). Mixture? Go Ch34 (40.8-41.5%). CAS Number is Mandatory!” 🔹 “301 + 122 = 35% Surcharge. Don’t let classification errors cost you more!”
📌 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.
📣 Immediate Action:
📞 Contact your customs broker with the CAS Number and MSDS. 🚀 Optimize your supply chain by selecting the correct HS Code to minimize the 38.7%-41.5% total tax burden.
✨ Professional Customs Clearance Starts with Accurate Classification! 💼 Every Percent Counts in Chemical Imports!
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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。