Rubber Sunscreen Additive
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 4005990000 | 35.0% | CN | US | Official Doc |
| 3824992900 | 41.5% | CN | US | Official Doc |
| 4005910000 | 35.0% | CN | US | Official Doc |
| 3812399000 | 40.0% | CN | US | Official Doc |
| 3812310000 | 41.5% | CN | US | Official Doc |
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AI Analysis
βοΈ Rubber Sunscreen Additive (UV Stabilizers for Rubber)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Strategy for US Import
π I. Product Definition & Classification: What is "Rubber Sunscreen Additive"?
Rubber Sunscreen Additives, scientifically known as UV Stabilizers or Hindered Amine Light Stabilizers (HALS), are chemical compounds added to rubber products to prevent degradation caused by ultraviolet (UV) radiation. These additives absorb or screen UV light, effectively extending the lifespan of rubber goods such as tires, hoses, seals, and outdoor equipment.
In international trade, these additives are classified based on their chemical nature: 1. Rubber Processing Chemicals: If they are specifically formulated mixes for rubber processing (e.g., unvulcanized rubber compounds). 2. Chemical Auxiliaries/Preparations: If they are generic chemical stabilizers or antioxidants not exclusive to rubber processing.
β οΈ Key Distinction Point:
- If the product is a pre-mix specifically for rubber processing (e.g., masterbatches for unvulcanized rubber) β Classified under Chapter 40 (Rubber).
- If the product is a generic chemical stabilizer/antioxidant used in rubber but not exclusive to it β Classified under Chapter 38 (Chemical Products).
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Tax Category |
|---|---|---|---|
4005.99.00.00 |
Rubber Compounds: Other (Unvulcanized) | Unvulcanized rubber mixtures containing sunscreen additives; generic rubber compound categories. | Rubber Product |
3824.99.29.00 |
Chemical Preparations: Other | Chemical auxiliary agents; generic "chemical products and preparations" not elsewhere specified. | Chemical Product |
4005.91.00.00 |
Rubber Compounds: Other Specific Types | Rubber processing chemical additives falling under "unvulcanized rubber" related categories. | Rubber Product |
3812.39.90.00 |
Rubber Stabilizers: Other | Rubber materials; sunscreen additives classified as antioxidant preparations or other composite stabilizers. | Chemical Product |
3812.31.00.00 |
Chemical Stabilizers/Antioxidants | Rubber materials; sunscreen additives explicitly classified as chemical stabilizers/antioxidants. | Chemical Product |
π Key Reminder:
- Chapter 40 (Rubber) codes (4005.xx) generally apply when the additive is part of a rubber compound mixture or specifically defined as a rubber processing material.
- Chapter 38 (Chemicals) codes (3812.xx,3824.xx) apply when the additive is a pure chemical auxiliary, such as a specific antioxidant or UV stabilizer sold as a chemical reagent, not a finished rubber mix.
- Misclassification Risk: Declaring a chemical stabilizer as a rubber compound (or vice versa) can lead to customs detention and reassessment of duties.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes & Policies)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: From November 10, 2025 (including subsequent imports)
π― 1. 4005.99.00.00 ββ Rubber Compounds: Other (Unvulcanized)
| Item | Details |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| USITC Additional Tariff (Section 301) | +25.0% |
| IEEPA Additional Tariff (122 Clause) | +10.0% |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β USITC:4005.99.00.00 β FOOTNOTE:Section 301 |
π Explanation:
- Although the base tariff for rubber compounds is 0%, the Section 301 tariff of 25% and the IEEPA 122 Clause tariff of 10% apply to Chinese-origin rubber products.
- Total 35% is significantly lower than chemical alternatives due to the lower base rate.
π― 2. 3824.99.29.00 ββ Chemical Preparations: Other
| Item | Details |
|---|---|
| Base Tariff | 6.5% |
| USITC Additional Tariff (Section 301) | +25.0% |
| IEEPA Additional Tariff (122 Clause) | +10.0% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β USITC:3824.99.29.00 β FOOTNOTE:Section 301 |
π Note:
- As a general chemical preparation, it faces the highest total tariff among the options.
- The base rate of 6.5% combined with 35% additional tariffs results in a 41.5% burden.
π― 3. 4005.91.00.00 ββ Rubber Compounds: Other Specific Types
| Item | Details |
|---|---|
| Base Tariff | 0.0% |
| USITC Additional Tariff (Section 301) | +25.0% |
| IEEPA Additional Tariff (122 Clause) | +10.0% |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β USITC:4005.91.00.00 β FOOTNOTE:Section 301 |
π Note:
- Similar to4005.99.00.00, this code benefits from the 0% base rate.
- Suitable if the additive is clearly defined as a specific type of rubber compound additive.
π― 4. 3812.39.90.00 ββ Rubber Stabilizers: Other
| Item | Details |
|---|---|
| Base Tariff | 5.0% |
| USITC Additional Tariff (Section 301) | +25.0% |
| IEEPA Additional Tariff (122 Clause) | +10.0% |
| Total Tariff Rate | 40.0% |
| Tax Calculation | CIF Value Γ 40.0% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β USITC:3812.39.90.00 β FOOTNOTE:Section 301 |
π Note:
- This code is specifically for antioxidant preparations or composite stabilizers for rubber.
- It offers a slightly lower total rate (40%) compared to general chemical preparations (3824.xx).
π― 5. 3812.31.00.00 ββ Chemical Stabilizers/Antioxidants
| Item | Details |
|---|---|
| Base Tariff | 6.5% |
| USITC Additional Tariff (Section 301) | +25.0% |
| IEEPA Additional Tariff (122 Clause) | +10.0% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β USITC:3812.31.00.00 β FOOTNOTE:Section 301 |
π Note:
- This code covers chemical stabilizers/antioxidants explicitly.
- If the product is a pure chemical antioxidant (e.g., HALS) sold as a chemical reagent, this is the most precise classification within Chapter 38, but it carries the highest tariff (41.5%).
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
β 1. Preparation Checklist (Essential Documents)
| Document | Required | Notes |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must detail chemical composition, CAS number, and intended use (rubber stabilization). |
| β Safety Data Sheet (SDS) | βοΈ | Must align with HS Code description; highlight "UV Stabilizer" or "Antioxidant" role. |
| β Commercial Invoice | βοΈ | Clearly state "Rubber Sunscreen Additive" or "UV Stabilizer for Rubber." Avoid vague terms like "Chemical Mix." |
| β Certificate of Origin (CO) | βοΈ | Required for confirming Chinese origin (subject to additional tariffs). |
| β Packaging List | βοΈ | Detail net/gross weight and packaging type. |
| β Technical Data Sheet (TDS) | βοΈ | Proof of chemical properties (e.g., absorption spectrum, stability). |
β 2. Declaration Strategy (Key Rules)
π₯ "Chemical Name, Clear Function, Avoid Ambiguity!"
| Scenario | Correct Declaration | Incorrect Practice |
|---|---|---|
| Pure Chemical Stabilizer (e.g., HALS) | 3812.31.00.00 or 3812.39.90.00 |
Misdeclare as rubber compound β Risk of penalty for wrong classification. |
| Pre-mixed Rubber Compound | 4005.91.00.00 or 4005.99.00.00 |
Misdeclare as pure chemical β May face lower base rate but risk of audit if not a mix. |
| Generic Chemical Auxiliary | 3824.99.29.00 |
Use vague terms like "Additive" without specifying function. |
| Sample Shipments | Still declare full value | Do not use "Sample" to avoid tariffs; Section 301 still applies. |
β 3. Special Case Handling
| Case | Handling Advice |
|---|---|
| OEM Custom Stabilizers | Provide contract or order details specifying client and usage to justify specific HS Code. |
| Multi-Use Chemicals | If used in rubber and plastics, declare based on primary use or most specific code (3812.xx). |
| Confusion between 3812 and 3824 | 3812 is for "Anti-knocking preparations, prepared dyes, pigments, and other chemical products... mainly used as antioxidants/stabilizers." 3824 is for "Other prepared binders..." Use 3812 if the primary function is stabilization/antioxidant. |
π V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Remarks |
|---|---|---|---|---|
| πΊπΈ USA | 4005.99.00.00 (if rubber mix) or 3812.31.00.00 |
35% or 41.5% | No specific US certification required for raw additives. | Section 301 + IEEPA apply. |
| π¨π³ China | 3812.31.00.00 |
6.5% | No specific certification for export. | Low base rate, no additional US tariffs. |
| πͺπΊ EU | 3812.31.00.00 |
6.5% | REACH Registration required for chemical substances. | No additional tariffs for China. |
| π¦πΊ Australia | 3812.31.00.00 |
5% | No specific certification. | Low tariff, easy clearance. |
| π―π΅ Japan | 3812.31.00.00 |
6.5% | No specific certification. | Low tariff. |
π Conclusion:
- USA is the most challenging market due to Section 301 and IEEPA tariffs.
- Chapter 40 codes (Rubber) offer a 35% total rate, which is 6.5%-6.5% lower than Chapter 38 chemical codes (40%-41.5%).
- If the product can be legally classified as a rubber compound/additive mix, choose 4005.xx to save costs.
- If it is a pure chemical, 3812.xx is better than 3824.xx (40% vs 41.5%).
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Using vague description "Rubber Additive" without specifying "UV Stabilizer" or "Antioxidant"
π Consequence: Customs may classify under the highest duty code (3824.99.29.00 at 41.5%) or hold for further inspection.
β Error 2: Classifying pure chemical stabilizers as rubber compounds (4005.xx)
π Consequence: Risk of customs audit, fines, and potential reclassification to chemical codes with penalties.
β Error 3: Assuming "De Minimis" exemption applies for small shipments
π Consequence: De Minimis is denied for these HS Codes from China. Even small shipments are subject to full tariffs.
β Error 4: Confusing "Sunscreen" (for skin) with "UV Stabilizer" (for rubber)
π Consequence: Wrong HS Code (e.g., under cosmetics Chapter 33), leading to major compliance violations.
β Correct Practice:
"UV Stabilizer for Rubber, HALS Type, Chemical Auxiliary, CAS No. XXXX-XX-X, Intended for Rubber Processing."
π― VII. Conclusion: Precise Classification for Cost Savings
π― Key Takeaway:
πΉ "Rubber Mix = 35%, Chemical Stabilizer = 40-41.5%, Pure Chemical = 41.5%"
πΉ "Chapter 40 is cheaper than Chapter 38 for similar functions."
πΉ "Always specify chemical function (Antioxidant/UV Stabilizer) to avoid generic high-duty codes."
π Pro Tip:
If your product is a custom blend for rubber processing, insist on classification under
4005.99.00.00or4005.91.00.00to secure the 35% rate.
If it is a pure chemical, use3812.39.90.00(40%) instead of3824.99.29.00(41.5%) if possible.
Always apply for a Pre-Ruling (Advance Ruling) from US Customs if the classification is borderline.
π£ Immediate Action:
π Consult with a licensed customs broker.
π Provide detailed Technical Data Sheets (TDS) and Safety Data Sheets (SDS).
π Optimize your HS Code to minimize duty burden!
β¨ Professional clearance starts with accurate classification!
πΌ Every percentage point saved is pure profit!
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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.