橡胶防晒剂复合剂
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 4005910000 | 35.0% | CN | US | Official Doc |
| 3812399000 | 40.0% | CN | US | Official Doc |
| 3812310000 | 41.5% | CN | US | Official Doc |
| 3824999397 | 40.0% | CN | US | Official Doc |
| 4005990000 | 35.0% | CN | US | Official Doc |
AI Analysis
☀️ Rubber Sunscreen Additive Complex (Rubber UV Stabilizers)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Strategy for Anti-UV Rubber Chemicals
📌 I. Product Definition & Classification: Do You Really Understand "Rubber Sunscreen Additives"?
Rubber Sunscreen Additives Complex (also known as UV Stabilizers or Antioxidants for Rubber) are critical chemical ingredients used to prevent the degradation, cracking, and hardening of rubber products caused by ultraviolet (UV) light and oxygen exposure. These additives extend the service life of tires, hoses, seals, and industrial rubber goods.
In international trade, they are classified based on their chemical function and physical state:
- Stabilizing Agents (HS Chapter 38): Chemical compounds primarily used to stabilize other substances (e.g., antioxidants, hindered amine light stabilizers).
- Pre-vulcanized Rubber Compounds (HS Chapter 40): Mixtures of raw rubber with curing agents, accelerators, and fillers, if the product is already a rubber compound.
⚠️ Key Distinction Point:
- If the product is a pure chemical powder/liquid designed to stabilize rubber against UV/Oxidation → HS 38xx (Chemical Preparations).
- If the product is a rubber-based paste/mix where rubber is the main carrier → HS 4005 (Unvulcanized Rubber Compounds).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, there are 5 possible HS Codes for Rubber Sunscreen Additives. The choice depends on the specific chemical composition and regulatory interpretation.
| HS Code | Product Description | Applicable Scenario | Tax Logic Summary |
|---|---|---|---|
4005.91.00.00 |
Other Unvulcanized Rubber Compounds | Additives mixed into a rubber carrier; fits "Other" category logic for rubber-related chemicals. | Low Base Duty (0%) |
3812.39.90.00 |
Other Antioxidants & Composite Stabilizers | Pure chemical functional additives; fits the category for anti-oxidation preparations. | Medium Base Duty (5%) |
3812.31.00.00 |
Antioxidants for Rubber/Plastics | Specific category for rubber/plastic stabilizers; no material/use conflict. | Highest Base Duty (6.5%) |
3824.99.93.97 |
Other Chemical Products (Industrial) | Fallback category for chemical preparations not specified elsewhere. | Medium Base Duty (5%) |
4005.99.00.00 |
Other Unvulcanized Rubber Compounds | General "catch-all" for rubber-related chemicals; fits the fallback logic for unvulcanized mixes. | Low Base Duty (0%) |
🔍 Critical Reminder:
- HS 4005 codes generally have a 0% base tariff because they are considered "rubber products." - HS 3812/3824 codes are considered "chemical preparations" and incur 5%–6.5% base tariffs. - Despite lower base duties, Section 301 (USITC) and IEEPA (122 Clause) tariffs apply equally to all these codes for Chinese-origin goods, leading to a high effective rate.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes & Policy Surcharges)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Time: Post-November 2025 (Includes ongoing Section 301 & IEEPA measures)
🎯 1. 4005.91.00.00 & 4005.99.00.00 —— Unvulcanized Rubber Compounds (Lowest Base Rate)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Ad Valorem) |
| USITC Section 301 Tariff | +25.0% (China Origin) |
| IEEPA Section 122 Tariff | +10.0% (China Origin) |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Eligibility | ❌ No (Deny de minimis for China under current enforcement) |
| Legal Basis Path | HTSUS:4005.91/99 → USITC:301(1) → IEEPA:122 |
📌 Explanation:
- Although the base duty is 0%, the 35% total rate is significant. - This code is preferred if the product can be argued as a "rubber compound" rather than a pure chemical, as it avoids the 5-6.5% base duty.
🎯 2. 3812.39.90.00 —— Other Antioxidants/Stabilizers
| Item | Content |
|---|---|
| Base Tariff | 5.0% |
| USITC Section 301 Tariff | +25.0% |
| IEEPA Section 122 Tariff | +10.0% |
| Total Effective Rate | 40.0% |
| Tax Calculation | CIF Value × 40% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | HTSUS:3812.39.90 → USITC:301(1) → IEEPA:122 |
📌 Note:
- This code applies if the product is a pure chemical stabilizer not primarily rubber-based. - The 5% base duty adds to the 35% surcharges.
🎯 3. 3812.31.00.00 —— Antioxidants for Rubber/Plastics (Highest Base Rate)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| USITC Section 301 Tariff | +25.0% |
| IEEPA Section 122 Tariff | +10.0% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | HTSUS:3812.31 → USITC:301(1) → IEEPA:122 |
📌 Warning:
- This is the most expensive classification among the options. - Only use if the product strictly fits the specific subheading for "Antioxidants" and cannot be classified under broader chemical or rubber categories.
🎯 4. 3824.99.93.97 —— Other Chemical Preparations (Fallback)
| Item | Content |
|---|---|
| Base Tariff | 5.0% |
| USITC Section 301 Tariff | +25.0% |
| IEEPA Section 122 Tariff | +10.0% |
| Total Effective Rate | 40.0% |
| Tax Calculation | CIF Value × 40% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | HTSUS:3824.99 → USITC:301(1) → IEEPA:122 |
📌 Context:
- Use this if the product does not fit the specific "Antioxidant" (3812) or "Rubber Compound" (4005) definitions. - It is a "general" chemical category, so it attracts standard chemical surcharges.
🛠️ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Required Documentation Checklist
| Document | Must Provide? | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition, CAS numbers, and function (UV stabilizer/Antioxidant). |
| ✅ Safety Data Sheet (SDS) | ✔️ | Critical for customs to classify as "Chemical Product" (Ch 38) vs. "Rubber Product" (Ch 40). |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Rubber Sunscreen Additive" or "UV Stabilizer for Rubber." Avoid vague terms like "Industrial Mix." |
| ✅ Certificate of Origin (CO) | ✔️ | Essential for applying Section 301 tariffs. |
| ✅ Composition Analysis Report | ✔️ | Proves whether the product is >50% rubber (HS 4005) or chemical (HS 38xx). |
✅ 2. Declaration Strategy (Key Mnemonic)
🔥 "Check Rubber Content: High = Ch40, Low = Ch38. Name is Key, Rate is Fixed!"
| Scenario | Correct HS Code | Risk if Misclassified |
|---|---|---|
| Product is a Rubber Paste/Mix | 4005.91.00.00 / 4005.99.00.00 |
If declared as Ch38 → Overpay Tax (by 5-6.5%) |
| Product is Pure Chemical Powder | 3812.39.90.00 / 3824.99... |
If declared as Ch40 → Underpay Tax → Penalty + Back Taxes |
| Product is Specific Antioxidant | 3812.31.00.00 |
Only if explicitly listed as "Antioxidant" in label/CAS. |
✅ 3. Special Situations Handling
| Situation | Handling Advice |
|---|---|
| OEM Private Label | Provide the supplier's formula sheet to prove it is a "stabilizer" and not a finished rubber good. |
| Mixed Shipment | Do not mix HS 4005 and HS 3812 in one line item. Separate them clearly on the invoice. |
| Duty Drawback | If the rubber compound is re-exported, check if duty drawback applies for the 35-41.5% paid. |
| Small Package (De Minimis) | ❌ Do not attempt to use $800 de minimis for these goods from China. Customs strictly enforces Section 301 on chemicals/rubber additives. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Total Tariff (CN Origin) | Key Certifications | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3812.39.90.00 or 4005.99.00.00 |
35.0% – 41.5% | N/A | High tariffs due to Section 301 + IEEPA. |
| 🇨🇳 China | 3812.39.90.00 |
5.0% | CCC (if applicable) | No additional surcharges. |
| 🇪🇺 EU | 3824.99.97 |
6.5% | REACH Registration | REACH compliance is mandatory for chemical imports. |
| 🇯🇵 Japan | 3812.39.90 |
8.0% | JIS Standards | No Section 301 equivalent. |
📌 Conclusion:
- The US market is the most expensive due to the 35-41.5% total tariff burden. - Cost-Saving Tip: If possible, source from Vietnam, Thailand, or Mexico to avoid Section 301 tariffs, reducing total duty to 0-10%.
📌 VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
❌ Error 1: Declaring "Rubber Additive" as "General Chemical" without SDS
👉 Consequence: Customs holds shipment for inspection → Delay + Storage Fees.
❌ Error 2: Using 4005 codes for pure chemical powders
👉 Consequence: Under-declaration → Seizure + Fine. The 0% base rate is illegal if no rubber is present.
❌ Error 3: Ignoring IEEPA 10% Surcharge
👉 Consequence: Underpayment by 10% → Back Taxes + Interest. Many importers forget this clause!
❌ Error 4: Vague Description "Anti-aging Agent"
👉 Consequence: Classification uncertainty → Audits. Always use "UV Stabilizer for Rubber" or "Antioxidant."
✅ Correct Practice:
"Rubber Sunscreen Additive Complex (UV Stabilizer), Powder Form, CAS No. XXXX-XX-X, HS 3812.39.90.00, For Industrial Rubber Use"
🎯 VII. Conclusion: Professional Declaration, Cost Control!
🎯 Remember the Mnemonic:
🔹 "Base 0-6.5%, Add 35% US Tax. Total 35-41.5%!"
🔹 "Rubber Mix = Ch40, Pure Chem = Ch38. Choose Wisely!"
🔹 "No De Minimis for China! Plan Ahead!"
📌 Pro Tip:
If your volume is high, consider applying for an HTS Classification Ruling from US Customs (CBP) in advance. This provides legal certainty for using the 4005.99.00.00 (35% total) code instead of the higher 3812 codes, saving 5-6.5% on the base duty.
📣 Immediate Action:
📞 Consult a licensed customs broker + Provide SDS + Verify Origin Rules
🚀 Secure your supply chain, minimize tax burden, and clear customs smoothly!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every Percentage Point Saved is Pure Profit!
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.