Rubber Thermal Stabilizer Additive
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3812105000 | 40.0% | CN | US | 官方文档 |
| 3812399000 | 40.0% | CN | US | 官方文档 |
| 3901909000 | 41.5% | CN | US | 官方文档 |
| 3901901000 | 35.0% | CN | US | 官方文档 |
| 3402901000 | 38.8% | CN | US | 官方文档 |
商品图片
AI分析
🔥 Rubber Thermal Stabilizer Additive
🌐 HS Code & Tariff Guide | 2026 Updated Customs Classification | Expert Compliance Strategy
📌 One Product, Multiple HS Codes — Know the Difference to Avoid 40%+ Tariffs!
📦 1. Product Definition & Classification: What Is a Rubber Thermal Stabilizer Additive?
A Rubber Thermal Stabilizer Additive is a chemical compound used to prevent degradation of rubber materials under high temperature, maintaining mechanical strength, elasticity, and lifespan during processing and service. These additives are critical in:
- Automotive rubber parts (tires, hoses, seals)
- Industrial belts and gaskets
- Construction sealants and waterproofing membranes
- Electrical insulation materials
⚠️ Key Classification Factor:
The material compatibility (rubber vs. polymer vs. chemical intermediate) and primary function (thermal stabilization vs. antioxidant vs. surface activity) determine the correct HS Code.
📊 2. HS Code Breakdown (2026 Tariff Authority – U.S. Customs & Border Protection)
| HS Code | Product Description | Matching Material | Function | Total Tax Rate | Tax Detail |
|---|---|---|---|---|---|
3812.10.50.00 |
Rubber thermal stabilizer additive, formulated for rubber materials | Rubber | Chemical additive (thermal stabilization) | 40.0% | Base: 5.0%, Additional Duty (301): 25.0%, Section 122 Tariff: 10.0% |
3812.39.90.00 |
Rubber thermal stabilizer additive, formulated for rubber, also acts as antioxidant & composite stabilizer | Rubber | Antioxidant & stabilizer | 40.0% | Base: 5.0%, Additional Duty (301): 25.0%, Section 122 Tariff: 10.0% |
3901.90.90.00 |
Rubber thermal stabilizer additive, matching ethylene polymer, general-purpose category | Ethylene Polymer | Chemical additive (broad use) | 41.5% | Base: 6.5%, Additional Duty (301): 25.0%, Section 122 Tariff: 10.0% |
3901.90.10.00 |
Rubber thermal stabilizer additive, matching polymer, primary form raw material | Polymer | Raw material additive | 35.0% | Base: 0.0%, Additional Duty (301): 25.0%, Section 122 Tariff: 10.0% |
3402.90.10.00 |
Rubber thermal stabilizer additive, matching chemical additives, surface-active or functional additive | Chemical Additive | Surface activity / functional enhancer | 38.8% | Base: 3.8%, Additional Duty (301): 25.0%, Section 122 Tariff: 10.0% |
🔍 Critical Insight:
- The same product can be classified under 5 different HS Codes, depending on material compatibility and functional description. - Incorrect classification = 40%+ tariff — even if the product is identical!
💰 3. Tariff Breakdown: Understanding the 40%+ Tax Surge
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (including subsequent imports)
🎯 1. 3812.10.50.00 – Thermal Stabilizer for Rubber (Primary Use)
| Item | Detail |
|---|---|
| Base Tariff | 5.0% (ad valorem) |
| Additional Duty (Section 301) | +25.0% (from U.S. Trade Act 301) |
| Section 122 Tariff | +10.0% (from U.S. International Emergency Economic Powers Act – IEEPA) |
| Total Effective Tariff | 40.0% |
| Tax Calculation | CIF Value × 40.0% |
| De Minimis Threshold | ❌ Not eligible (denied under U.S. de minimis rules) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3812.10.50.00 → FOOTNOTE:9903.88.01 |
📌 Why This Applies:
- The product is specifically formulated for rubber and functions as a thermal stabilizer. - Not a general-purpose chemical → cannot be claimed under "broad category" codes.
🎯 2. 3812.39.90.00 – Multi-Function Stabilizer (Antioxidant + Stabilizer)
| Item | Detail |
|---|---|
| Base Tariff | 5.0% |
| Additional Duty (301) | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tariff | 40.0% |
| Tax Calculation | CIF × 40.0% |
| De Minimis | ❌ Not eligible |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3812.39.90.00 → FOOTNOTE:9903.88.01 |
📌 Why This Applies:
- The additive dual functions as both thermal stabilizer and antioxidant. - This triggers 3812.39.90.00 — a catch-all subheading for non-specified stabilizers in rubber applications.
🎯 3. 3901.90.90.00 – General Use for Ethylene Polymer
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| Additional Duty (301) | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tariff | 41.5% |
| Tax Calculation | CIF × 41.5% |
| De Minimis | ❌ Not eligible |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3901.90.90.00 → FOOTNOTE:9903.88.01 |
📌 Why This Applies:
- The additive is used in ethylene polymer systems (e.g., EVA, LDPE). - Classified under "other" polymer additives — highest base rate among all options.
🎯 4. 3901.90.10.00 – Primary Form Raw Material (Polymer-Based)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Additional Duty (301) | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tariff | 35.0% |
| Tax Calculation | CIF × 35.0% |
| De Minimis | ❌ Not eligible |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3901.90.10.00 → FOOTNOTE:9903.88.01 |
📌 Why This Applies:
- The additive is in its primary form (e.g., liquid concentrate, powder) and not yet formulated into final product. - Lowest base rate — but still subject to 25% + 10% extra.
🎯 5. 3402.90.10.00 – Surface-Active / Functional Additive
| Item | Detail |
|---|---|
| Base Tariff | 3.8% |
| Additional Duty (301) | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tariff | 38.8% |
| Tax Calculation | CIF × 38.8% |
| De Minimis | ❌ Not eligible |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3402.90.10.00 → FOOTNOTE:9903.88.01 |
📌 Why This Applies:
- The additive exhibits surface-active properties (e.g., improves dispersion, reduces viscosity). - Used in functional formulations — not just stabilization.
🛠️ 4. Customs Clearance Best Practices (Pro Tips to Avoid 40%+ Penalties)
✅ 1. Documentation Checklist (Mandatory)
| Document | Required? | Purpose |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Detail formulation, intended use, compatibility |
| ✅ Technical Data Sheet (TDS) | ✔️ | Confirm function: thermal stabilizer vs. antioxidant |
| ✅ Chemical Structure / MSDS | ✔️ | Prove material compatibility |
| ✅ Commercial Invoice | ✔️ | Must include exact product name and HS Code |
| ✅ Certificate of Origin (CO) | ✔️ | Critical for tariff eligibility |
| ✅ Test Reports (e.g., TGA, FTIR) | ✔️ | Prove stability, thermal performance |
| ✅ Packing List | ✔️ | Show bulk vs. packaging type |
✅ 2.申报技巧 (申报口诀)
🔥 “Material First, Function Second, Name Exact, Tax Avoid 40%!”
| Scenario | Correct HS Code | Wrong Code | Risk |
|---|---|---|---|
| Formulated for rubber, thermal stabilizer | 3812.10.50.00 |
3901.90.90.00 |
+1.5% tax + audit risk |
| Dual function (stabilizer + antioxidant) | 3812.39.90.00 |
3812.10.50.00 |
40% vs. 40% — same, but wrong logic |
| Used in ethylene polymer | 3901.90.90.00 |
3812.10.50.00 |
+1.5% tax + classification error |
| Primary form raw material | 3901.90.10.00 |
3402.90.10.00 |
35% vs. 38.8% — save 3.8% |
| Surface-active property | 3402.90.10.00 |
3812.10.50.00 |
+3.8% tax + risk of rejection |
✅ 3. Special Cases & Mitigation
| Situation | Recommendation |
|---|---|
| OEM Custom Formulation | Provide client specs + lab report to justify function |
| Mixed Use (Rubber + Polymer) | Use most specific match — e.g., 3812.10.50.00 if rubber is primary |
| Export to Non-U.S. Markets | Check EU, Japan, Australia — no 301/122 tariffs |
| Non-Chinese Origin (Vietnam, Mexico) | Apply for IEEPA exemption — 0% tariff possible |
| Need to Reduce Tax Burden | Apply for Advance Ruling (Pre-Decision) to lock in HS Code |
🌍 5. Global Market Tariff Comparison (2026)
| Country | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3812.10.50.00 |
40.0% | None (but must declare) | High risk — 301 + 122 tariffs |
| 🇨🇳 China | 3812.10.50.00 |
5% | CCC, RoHS | No extra duties |
| 🇪🇺 EU | 3812.10.50.00 |
0% (if CE) | CE, REACH | No 301/122 |
| 🇦🇺 Australia | 3812.10.50.00 |
5% | RCM | No extra |
| 🇯🇵 Japan | 3812.10.50.00 |
0% | PSE | No extra |
📌 Conclusion:
- Only the U.S. applies 40%+ tariffs on this product. - China-origin goods face the highest burden. - Non-Chinese origin (Vietnam, Mexico) can avoid 301/122 tariffs.
🚨 6. Common Mistakes & Costly Errors
❌ Mistake 1: Using 3901.90.90.00 for a rubber-specific additive
👉 Result: 41.5% tariff instead of 40.0% → extra 1.5% cost
❌ Mistake 2: Claiming 3812.10.50.00 for a surface-active additive
👉 Result: Wrong function → rejection or audit
❌ Mistake 3: Not declaring material compatibility in invoice
👉 Result: Customs may reclassify → higher tax + delay
❌ Mistake 4: Using generic name like “Rubber Additive”
👉 Result: No functional clarity → incorrect HS Code assigned
✅ Correct Declaration Example:
“Rubber Thermal Stabilizer Additive, Formulated for Natural & Synthetic Rubber, Function: Heat Resistance, Antioxidant, and Longevity Enhancement, CAS: 12345-67-8, In Primary Form”
🎯 7. Final Verdict: Precision Pays Off
🎯 Remember the Rule:
🔹 "Material First, Function Second, Name Exact, Tax Avoid 40%!"
🔹 One wrong HS Code = 40%+ tariff = $10,000+ in extra cost per container
📌 Pro Tip:
📞 Apply for an Advance Ruling (Pre-Clearance) with U.S. CBP before shipment.
✅ Lock in your HS Code + tariff rate.
✅ Avoid surprise audits.
✅ Save thousands in customs risk.
📣 Act Now!
🚀 Contact a U.S. Customs Broker + Submit Product Data + Request HS Code Pre-Ruling
💼 Turn your rubber additive into a smooth, low-risk export!
✨ Smart Classification = Lower Tariffs = Higher Profit!
💼 Your product’s value starts with the right HS Code.
用户评价
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。