航空用合成橡胶
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 4016940000 | 39.2% | CN | US | Official Doc |
| 4002190015 | 35.0% | CN | US | Official Doc |
| 4016996050 | 37.5% | CN | US | Official Doc |
| 4002190016 | 35.0% | CN | US | Official Doc |
AI Analysis
✈️ Aircraft Synthetic Rubber Components
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Aviation Synthetic Rubber"?
Synthetic Rubber for Aviation refers to specialized elastomeric materials derived from petroleum or chemical synthesis, used in critical aircraft components such as seals, gaskets, hoses, tires, and damping systems. Unlike natural rubber, synthetic variants (e.g., SBR, NBR, EPDM) offer superior resistance to ozone, oil, extreme temperatures, and aviation fuels.
In international trade, these products are classified based on two key factors: 1. Material Composition: Is it raw polymer (e.g., SBR) or processed rubber goods? 2. End-Use/Application: Is it a generic industrial part, a specific maritime/aviation component, or a raw material for further manufacturing?
⚠️ Critical Distinction:
- If the product is raw synthetic rubber (blocks, particles, sheets) intended for further manufacturing → Classified under Chapter 40.02 (Raw Rubber).
- If the product is a finished rubber article (e.g., seals, gaskets, bushings) → Classified under Chapter 40.16 (Rubber Goods).
- Aviation-specific use does not automatically create a separate HS code in most tariff schedules; it must be matched with material and form.
📦 II. HS Code Classification Details (Based on Provided Data)
The following HS codes are derived from the provided dataset, matching "Synthetic Rubber" for "Aviation" (or generic "Marine/General" use as proxy due to lack of specific "Aviation" subheadings in the dataset).
| HS Code | Product Description | Application Logic | Tax Rate |
|---|---|---|---|
4016.94.00.00 |
Other rubber goods, made of cellular rubber | Match Logic: Material is "Synthetic Rubber" (vulcanized); Use is "Marine" (proxy for specialized industrial use). Logical fit for cellular rubber seals/gaskets. | 39.2% |
4002.19.00.15 |
Styrene-Butadiene Rubber (SBR/XSBR), Other | Match Logic: Material matches "Synthetic Rubber" (SBR); Form is "Other" (catch-all for unspecified forms like blocks/powder). | 35.0% |
4016.99.60.50 |
Other made rubber articles, not specified elsewhere | Match Logic: Material fits (Vulcanized/Synthetic); Use is general-purpose non-vehicle specific (marine/general industrial). Catch-all for specialized rubber parts. | 37.5% |
4002.19.00.16 |
Styrene-Butadiene Rubber (SBR/XSBR), Other | Match Logic: Material matches "Synthetic Rubber" (Petroleum-derived SBR); No specific form mentioned, so falls under "Other" category. | 35.0% |
🔍 Key Insight:
- Raw Materials vs. Finished Goods: Codes4002.xxrepresent raw synthetic rubber (SBR). Codes4016.xxrepresent finished rubber articles.
- Why "Marine" in some descriptions? The dataset uses "Marine" (船用) as a proxy for specialized industrial rubber goods when specific "Aviation" subcodes are not available. In practice, aviation seals/gaskets often share classification logic with marine or general industrial rubber goods if they are cellular or non-vehicle specific.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Duties)
✅ Applicable Country: USA (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 onwards
🎯 1. 4002.19.00.15 & 4002.19.00.16 — Raw Synthetic Rubber (SBR)
| Item | Detail |
|---|---|
| Base Duty | 0% (Ad Valorem) |
| USITC Additional Duty | +25% (Section 301 Tariff) |
| IEEPA Additional Duty | +10% (China/HK Product Surcharge, effective Nov 10, 2025) |
| Total Duty Rate | 35.0% |
| Calculation | CIF Value × 35% |
| De Minimis Eligibility | ❌ No (Deny de minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:4002.19.00.15/16 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- These are raw materials. While base duty is 0%, the 35% total duty is significant.
- Key Point: If you are importing raw SBR to manufacture aviation parts in the US, this cost applies.
🎯 2. 4016.94.00.00 — Cellular Rubber Goods (Marine/Industrial Proxy)
| Item | Detail |
|---|---|
| Base Duty | 4.2% |
| USITC Additional Duty | +25% |
| IEEPA Additional Duty | +10% |
| Total Duty Rate | 39.2% |
| Calculation | CIF Value × 39.2% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:4016.94.00.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- Higher Base Duty: 4.2% compared to 0% for raw rubber.
- Total Cost: 39.2% is the highest in the dataset. This reflects the finished nature of the product.
🎯 3. 4016.99.60.50 — Other Rubber Goods (General/Industrial)
| Item | Detail |
|---|---|
| Base Duty | 2.5% |
| USITC Additional Duty | +25% |
| IEEPA Additional Duty | +10% |
| Total Duty Rate | 37.5% |
| Calculation | CIF Value × 37.5% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:4016.99.60.50 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- A middle-ground option for non-cellular, non-vehicle-specific rubber parts.
- Total Cost: 37.5%.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
✅ 1. Required Documentation Checklist
| Document | Mandatory? | Notes |
|---|---|---|
| Product Specification Sheet | ✅ Yes | Must specify: Material Type (e.g., SBR, NBR, EPDM), Hardness (Shore A), Chemical Resistance, Temperature Range. |
| Bill of Materials (BOM) | ✅ Yes | For raw rubber imports, show polymer composition. For finished goods, show assembly. |
| Certificate of Origin (CO) | ✅ Yes | Essential for determining origin-based duties. |
| Commercial Invoice | ✅ Yes | Must clearly state "Synthetic Rubber" and describe end-use (e.g., "Aviation Seal Component"). |
| Packing List | ✅ Yes | Detail weight, dimensions, and packaging type. |
| Test Reports | ✅ Recommended | FAA/EASA compliance certificates if applicable, or ISO standards. |
✅ 2. Declaration Strategy (Key Mnemonics)
🔥 "Material First, Use Second, Form Third!"
| Scenario | Correct HS Code | Incorrect Approach |
|---|---|---|
| Raw SBR Granules/Blocks | 4002.19.00.15 or 16 |
Misdeclaring as "Finished Seal" → Higher duty. |
| Aviation Seal (Cellular Rubber) | 4016.94.00.00 |
Misdeclaring as "Plastic Part" → Wrong Chapter. |
| Aviation Hose/Gasket (Non-Cellular) | 4016.99.60.50 |
Misdeclaring as "Vehicle Part" → Potential misclassification. |
| Aviation Tire | ❌ Not in Dataset | Typically 4011.xx. Do not use 4016 codes. |
✅ 3. Special Considerations for Aviation Industry
| Situation | Advice |
|---|---|
| FAA/EASA Compliance | Provide documentation proving compliance with aviation standards (e.g., AS568, BAC5000). |
| Dual-Use Items | Ensure no ITAR/EAR restrictions apply if components are sensitive. |
| OEM Parts | If importing as spare parts for maintenance, clearly label as "Aviation Maintenance Parts." |
| Raw Material for Manufacturing | If importing SBR to manufacture parts in the US, consider Foreign Trade Zone (FTZ) benefits to defer duties. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty Rate | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 4002.19.00.15 / 4016.94.00.00 |
35.0% - 39.2% | No specific aviation cert required for entry | High duties due to Section 301 & IEEPA. |
| 🇨🇳 China | 4002.19.00.00 / 4016.99.00.00 |
0% - 5% | CCC (if applicable) | Lower duty for raw materials. |
| 🇪🇺 EU | 4002.19.00.00 / 4016.99.00.00 |
0% - 4.5% | REACH, RoHS | No additional trade war tariffs. |
| 🇯🇵 Japan | 4002.19.00.00 / 4016.99.00.00 |
0% - 3% | JIS Standards | Favorable for aviation components. |
📌 Conclusion:
- USA has the highest effective duty rates (35%-39.2%) due to additional tariffs.
- EU and Japan offer significantly lower duty rates (0%-5%).
- Strategy: If final destination is the US, consider supply chain diversification (e.g., sourcing SBR from Vietnam or Thailand for potential IEEPA exemption) or utilizing FTZs.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Misclassifying Finished Seals as Raw Rubber
👉 Consequence: Under-declaration of duty. If caught, penalties + back taxes.
👉 Fix: Ensure product description matches physical form (e.g., "Seal" vs. "SBR Pellets").
❌ Error 2: Using "Aviation" to claim Exemption
👉 Consequence: No automatic duty exemption for aviation materials in US tariff schedule.
👉 Fix: Accurate HS coding is mandatory. No "Aviation Tax Break" unless specific HTSUS exemption applies (rare).
❌ Error 3: Ignoring Cellular vs. Non-Cellular Distinction
👉 Consequence: 4016.94 (Cellular) vs. 4016.99 (Non-Cellular) have different base duties.
👉 Fix: Provide material cross-section photos showing foam/cellular structure if applicable.
❌ Error 4: Incorrect Origin Declaration
👉 Consequence: Missing out on potential FTZ or regional trade benefits.
👉 Fix: Verify country of manufacture for each component.
✅ Correct Declaration Example:
"Synthetic Rubber Seal (SBR), Cellular, for Aircraft Hydraulic System, Model XYZ, Made in China."
🎯 VII. Conclusion: Precision in Classification Saves Money
🎯 Remember the Motto:
🔹 "Raw Rubber: 35%, Finished Rubber: 37.5%-39.2%."
🔹 "Form Determines Code, Use Determines Fit."
🔹 "No Aviation Tax Break in USA – Plan Ahead!"
📌 Pro Tip:
If you are importing large volumes of synthetic rubber for aviation manufacturing, consider:
1. Foreign Trade Zone (FTZ): Defer or eliminate duties on imported materials.
2. Advance Ruling: Request a binding ruling from CBP for complex components.
3. Supply Chain Shift: Source SBR from non-China origins to avoid IEEPA 10% surcharge.
📣 Immediate Action:
📞 Contact a licensed Customs Broker
📤 Provide Product Photos + Material Safety Data Sheet (MSDS)
🚀 Optimize Your Aviation Supply Chain for Cost Efficiency!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Percent of Duty Matters in Aviation Margins!
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.