Rubber Specialized Chemicals
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3403112000 | 35.2% | CN | US | Official Doc |
| 3403115000 | 36.4% | CN | US | Official Doc |
| 3824992900 | 41.5% | CN | US | Official Doc |
| 4002990000 | 35.0% | CN | US | Official Doc |
| 4002800000 | 35.0% | CN | US | Official Doc |
AI Analysis
π’οΈ Rubber Specialized Chemicals (Rubber Chemicals Mixtures)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Understanding "Rubber Chemicals"
Rubber Specialized Chemicals refer to mixtures, preparations, and compounds used in the processing, treatment, or vulcanization of rubber. These are not raw materials themselves but chemical agents that modify the properties of rubber (e.g., accelerating curing, preventing degradation, or acting as plasticizers).
In international trade, classification depends heavily on: 1. Physical State: Liquid, paste, or powder. 2. Chemical Nature: Whether it is a specific chemical compound or a "preparation" (mixture). 3. Function: Is it for treating other materials (Heading 34/38) or is it a form of rubber itself (Heading 40)?
β οΈ Key Distinction:
- If the product is a mixture/preparation for chemical treatment β Falls under Chapter 34 or 38.
- If the product is a synthetic rubber or a plasticized rubber in raw form β Falls under Chapter 40.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the five possible HS Codes for Rubber Specialized Chemicals, ranging from chemical preparations to raw rubber materials.
| HS Code | Product Description | Key Characteristics | Classification Logic |
|--------|--------------------------|--------------------------|
| 3403.11.20.00 | Rubber Chemical Mixtures (Preparations) | ChemicalεΆε (Preparation), rubber chemicals | Classified as "Preparations" for the preparation or treatment of other materials. No material conflict. |
| 3403.11.50.00 | Rubber Chemical Mixtures (Preparations) | ChemicalεΆε (Preparation), material treatment agents | Similar to above, inferred as material treatment chemical preparations based on common sense. |
| 3824.99.29.00 | Other Chemical Products & Preparations | "Other" category for chemical products | Falls under "Others" for chemical products and preparations. No specific material conflict identified. |
| 4002.99.00.00 | Specialized Rubber Raw Materials | Synthetic Rubber, Rubber Plasticizers | Classified as raw materials/form. Matches "Synthetic Rubber & Rubber Plasticizers." |
| 4002.80.00.00 | Specialized Rubber Raw Materials | Synthetic Rubber derived from oils | Matches the attribute of "Synthetic Rubber derived from oil-like sources." Form is raw/original. |
π Critical Insight:
- Chapters 34 & 38 cover chemical mixtures/preparations used on rubber.
- Chapter 40 covers the rubber material itself (if it is a synthetic rubber or plasticized rubber product).
- Misclassification between "Chemical Preparation" (3403/3824) and "Raw Rubber" (4002) is a common error that leads to significant tax discrepancies and customs delays.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policies)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: From November 10, 2025 (and subsequent imports)
π― 1. 3403.11.20.00 & 3403.11.50.00 ββ Rubber Chemical Mixtures (Chapter 34)
These codes fall under "Preparations for the preparation or treatment of other materials."
| Item | Content |
|---|---|
| Base Tariff Rate | 0.2% (for .20.00) / 1.4% (for .50.00) |
| Section 301 Surcharge | +25.0% (Under USITC Footnote for Chinese goods) |
| IEEPA Surcharge | +10.0% (122 Clause Tariff for China/HK) |
| Total Tax Rate | 35.2% (.20.00) / 36.4% (.50.00) |
| Tax Calculation | CIF Value Γ Total Rate |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | Section 301 β IEEPA:122 β USITC:3403.11.x0.00 |
π Explanation:
- The base tariff is very low (near zero), reflecting the industrial nature of these chemicals.
- However, the Section 301 (25%) and IEEPA (10%) surcharges drive the effective cost to over 35%.
- This is a high-cost category for importers, requiring precise chemical composition documentation.
π― 2. 3824.99.29.00 ββ Other Chemical Products & Preparations (Chapter 38)
This code is for "Other" chemical products not specifically listed elsewhere.
| Item | Content |
|---|---|
| Base Tariff Rate | 6.5% |
| Section 301 Surcharge | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | Section 301 β IEEPA:122 β USITC:3824.99.29.00 |
π Explanation:
- This has the highest base tariff (6.5%) among the chemical options.
- Combined with surcharges, the total tax is 41.5%, making it the most expensive option if misclassified as a general chemical preparation.
- Only use if the product does not fit the specific "Rubber Preparation" definition of 3403.
π― 3. 4002.99.00.00 & 4002.80.00.00 ββ Specialized Rubber Materials (Chapter 40)
These codes classify the item as Synthetic Rubber or Plasticized Rubber, not just a chemical additive.
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% |
| Section 301 Surcharge | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35.0% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | Section 301 β IEEPA:122 β USITC:4002.xx.xx.xx |
π Explanation:
- Zero Base Tariff makes this attractive, but the surcharges remain identical to Chapter 34.
- Crucial Warning: You can ONLY use these codes if the product IS a synthetic rubber or plasticized rubber in raw form. If it is a chemical mixture for rubber, using these codes is misclassification and risks severe penalties.
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Preparation Checklist (Mandatory)
| Document | Required | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must detail chemical composition, CAS numbers, and physical state. |
| β MSDS/SDS (Safety Data Sheet) | βοΈ | Critical for chemical clearance. Must list all ingredients for tariff determination. |
| β Product Photos | βοΈ | Clear images of packaging, labels, and product form (liquid/paste/powder). |
| β Commercial Invoice | βοΈ | Must accurately describe the product (e.g., "Rubber Accelerator Mixture" vs. "Synthetic Rubber"). |
| β Bill of Lading | βοΈ | Ensure packaging type is consistent with the invoice. |
| β Certificate of Origin | βοΈ | Required for origin verification and surcharge application. |
β 2. Declaration Strategy (Key Mantra)
π₯ "Chemical Mixture = Chapter 34/38. Raw Rubber = Chapter 40. Don't Mix Them!"
| Scenario | Correct HS Code | Error Consequence |
|---|---|---|
| Chemical additive for rubber (e.g., accelerator, antioxidant mixture) | 3403.11.20.00 or 3403.11.50.00 |
If declared as Raw Rubber β Misclassification Penalty |
| General chemical prep (not specifically for rubber prep) | 3824.99.29.00 |
If declared as Rubber Prep β Potential Audit for Inaccurate Description |
| Synthetic Rubber (e.g., SBR, NBR in blocks/powder) | 4002.99.00.00 or 4002.80.00.00 |
If declared as Chemical β Delay due to Chemical Testing |
| Plasticized Rubber | 4002.80.00.00 |
Misclassifying as chemical leads to 0% Base Rate Error |
β 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Is it a "Preparation" or a "Single Substance"? | If it's a single pure chemical (e.g., pure Thiuram), it might fall under Chapter 29. If it's a mixture, it's Chapter 34/38. Check MSDS! |
| Product is a Paste or Liquid | Likely 3403 or 3824. Provide viscosity data. |
| Product is a Solid Rubber Block | Likely 4002. Provide tensile strength and rubber type. |
| OEM/White Label Goods | Ensure the supplier's MSDS matches the importer's declaration exactly. Discrepancies cause holds. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Est. Tariff (China Origin) | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3403.11.20.00 / 4002.99.00.00 |
35.2% - 41.5% | None specific | High surcharges due to Section 301 + IEEPA. |
| π¨π³ China | 3403.11.20.00 / 4002.99.00.00 |
0% - 6.5% (Base) | None | No additional surcharges for domestic trade. |
| πͺπΊ EU | 3403.11.20.00 / 4002.99.00.00 |
0% - 6.5% (Base) | REACH Registration | REACH compliance is mandatory for chemicals. |
| π¬π§ UK | 3403.11.20.00 / 4002.99.00.00 |
0% - 6.5% (Base) | UK REACH | Post-Brexit, UK REACH applies separately. |
π Conclusion:
- USA is the most expensive market due to 35%+ effective tariff rates.
- EU/UK require REACH/UK REACH registration for chemical substances, which is a major compliance hurdle.
- China has no additional surcharges, making it the most cost-effective for domestic use or re-export (if origin rules allow).
π VI. Common Mistakes & Pitfalls (Lessons Learned)
β Mistake 1: Declaring a chemical mixture as Raw Rubber (4002) to get 0% base tariff.
π Consequence: Customs will reject based on MSDS/Composition. Penalty + Back Taxes.
β Mistake 2: Ignoring the IEEPA 10% Surcharge.
π Consequence: Underpayment. Customs will assess additional duties + interest.
β Mistake 3: Using 3824.99.29.00 when 3403.11.x0.00 is more specific.
π Consequence: Higher base tariff (6.5% vs 0.2-1.4%) β Higher Total Tax. Use the most specific description.
β Correct Practice:
"Rubber Accelerator Mixture (Liquid), 50kg Drum, MSDS Attached, CAS Numbers Listed, For Use in Tire Manufacturing"
π― VII. Conclusion: Professional Declaration Saves Money!
π― Remember the Mantra:
πΉ "Chemical Mix = 3403 (Low Base, High Surcharge). Raw Rubber = 4002 (Zero Base, High Surcharge). Specificity is Key!"
πΉ "MSDS is Your Best Friend. No MSDS = No Clearance."
π Pro Tip:
If your product is a complex mixture, consider applying for an Advance Ruling (Pre-classification) from US Customs and Border Protection (CBP). This provides legal certainty on whether your product falls under 3403, 3824, or 4002, preventing costly disputes later.
π£ Immediate Action:
π Contact a licensed customs broker.
π Prepare the SDS/MSDS and Product Specification.
π Ensure your supplier labels the product correctly to match the HS Code.
β¨ Professional Clearance, Starts with Precise Classification!
πΌ Your Cost Efficiency Depends on the Right HS Code!
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) 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.