纸张阻燃剂
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3809925000 | 41.0% | CN | US | Official Doc |
| 3809921000 | 41.5% | CN | US | Official Doc |
| 3824992900 | 41.5% | CN | US | Official Doc |
| 3824999397 | 40.0% | CN | US | Official Doc |
| 2931902600 | 16.5% | CN | US | Official Doc |
| 2931907000 | 35.0% | CN | US | Official Doc |
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AI Analysis
🌿 Paper Flame Retardant Agent
🌐 HS Code & Tariff Guide | 2026 Latest Customs Classification & Duty Breakdown | Professional Import Strategy
📌 One, Product Definition & Classification: What Exactly Is a Paper Flame Retardant?
A paper flame retardant agent is a specialized chemical formulation used in the paper manufacturing industry to reduce flammability and improve fire resistance of paper products. These agents are typically applied during the papermaking process or as post-treatment coatings.
⚠️ Key Distinction:
- If the substance is used solely for fire protection in paper and functions as a chemical additive or finishing agent, it falls under chemical formulations for industrial use — not general chemicals.
- It must be specifically designed or intended for paper (e.g., for packaging, technical paper, or safety documents), not for textiles, plastics, or general fireproofing.
📦 Two, HS Code Classification Details (2026 Official Tariff Table)
| HS Code | Product Description | Use Case | Chemical Nature |
|---|---|---|---|
3809.92.50.00 |
Chemical preparations for paper treatment, flame-retardant agents, used in paper manufacturing | Paper, cardboard, packaging, technical paper | Chemical additive / finishing agent |
3809.92.10.00 |
Flame retardants for paper and paperboard, used in industrial paper processing | Fire-resistant paper, safety documents, construction paper | Chemical formulation for paper use |
2931.90.26.00 |
Organic-inorganic compounds used as chemical additives or auxiliaries in pesticides | General industrial additives | Chemical additive (not paper-specific) |
3824.99.29.00 |
Other chemical preparations for industrial use, mixtures | General chemical formulations | Industrial chemical mixture |
2931.90.70.00 |
Other organic-inorganic compounds, not specified elsewhere | General chemical class | Non-specific organic-inorganic compound |
🔍 Critical Insight:
- Only3809.92.50.00and3809.92.10.00are specifically applicable to paper flame retardants.
- The others are not suitable unless the product is exclusively used for paper and proven to be a paper-specific formulation.
💰 Three, 2026 Latest Tariff Breakdown (With Full Duty Explanation)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (including subsequent imports)
🎯 1. 3809.92.50.00 — Flame Retardant for Paper (Paper Treatment Agent)
| Item | Detail |
|---|---|
| Base Tariff | 6.0% (ad valorem) |
| USITC Additional Duty | +25.0% (under Section 301 of U.S. Trade Act) |
| IEEPA Additional Duty | +10.0% (under International Emergency Economic Powers Act) |
| Total Duty Rate | 41.0% |
| Tax Calculation | CIF Value × 41.0% |
| De Minimis Exemption | ❌ Not available (denied under U.S. law) |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3809.92.50.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- The 25% USITC duty is triggered by Section 301 — targeting Chinese-made industrial chemicals with strategic or high-value applications.
- The 10% IEEPA duty applies to all goods from China/Hong Kong under emergency economic powers.
- Total: 41.0% — extremely high, especially for bulk chemical imports.
🎯 2. 3809.92.10.00 — Flame Retardants for Paper & Paperboard
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| USITC Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% |
| Total Duty Rate | 41.5% |
| Tax Calculation | CIF × 41.5% |
| De Minimis Exemption | ❌ Not applicable |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3809.92.10.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- This code is slightly higher than3809.92.50.00due to higher base tariff (6.5% vs 6.0%).
- Same附加 duties apply — both are paper-specific flame retardants under U.S. trade policy.
🎯 3. 2931.90.26.00 — Organic-Inorganic Compounds (Chemical Additives / Pesticide Auxiliaries)
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| USITC Additional Duty | +0.0% (no 301 duty) |
| IEEPA Additional Duty | +10.0% |
| Total Duty Rate | 16.5% |
| Tax Calculation | CIF × 16.5% |
| De Minimis Exemption | ❌ Not available |
| Legal Basis Path | IEEPA:9903.01.24 → 2931.90.26.00 → FOOTNOTE:9903.88.01 |
📌 Why Lower?
- This code applies to general chemical additives, not paper-specific formulations.
- No USITC 25% duty because it’s not classified as a high-risk industrial chemical under Section 301.
- Still subject to 10% IEEPA due to Chinese origin.
🎯 4. 3824.99.29.00 — Other Chemical Preparations (Industrial Mixtures)
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| USITC Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% |
| Total Duty Rate | 41.5% |
| Tax Calculation | CIF × 41.5% |
| De Minimis Exemption | ❌ Not applicable |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3824.99.29.00 → FOOTNOTE:9903.88.01 |
📌 Caution:
- This code applies to general industrial chemical mixtures.
- If your product is not clearly paper-specific, customs may reclassify it here — leading to 41.5% duty.
🎯 5. 2931.90.70.00 — Other Organic-Inorganic Compounds (General Class)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| USITC Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% |
| Total Duty Rate | 35.0% |
| Tax Calculation | CIF × 35.0% |
| De Minimis Exemption | ❌ Not available |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:2931.90.70.00 → FOOTNOTE:9903.88.01 |
📌 Why 35%?
- No base tariff, but 25% USITC + 10% IEEPA still apply.
- This code is not paper-specific, so it's only applicable if the product is not clearly used for paper.
🛠️ Four, Customs Clearance Best Practices (Pro Tips to Avoid Penalties)
✅ 1. Required Documentation (Must-Have List)
| Document | Required? | Notes |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must state: "Flame retardant for paper, used in paper manufacturing" |
| ✅ Chemical Composition & MSDS | ✔️ | Include CAS numbers, active ingredients |
| ✅ Application Test Report | ✔️ | Proof of use in paper (e.g., fire resistance test, ISO 9705) |
| ✅ Commercial Invoice | ✔️ | Clearly label: "Paper Flame Retardant Agent, for paper treatment" |
| ✅ Certificate of Origin (CO) | ✔️ | Required for duty calculation |
| ✅ Packing List | ✔️ | Show net weight, packaging type |
| ✅ Third-Party Lab Report (if needed) | ✔️ | For fire safety or chemical compliance |
✅ 2.申报技巧(Critical Tips)
🔥 “Paper-specific, not general — use the right HS code, avoid 41.5%!”
| Scenario | Correct HS Code | Wrong Code | Risk |
|---|---|---|---|
| Flame retardant specifically for paper | 3809.92.50.00 or 3809.92.10.00 |
3824.99.29.00 |
41.5% duty |
| Used in paper, but labeled as "chemical additive" | 3809.92.50.00 |
2931.90.26.00 |
16.5% vs 41.5% |
| Not clearly paper-specific | 3824.99.29.00 |
3809.92.50.00 |
Higher risk of reclassification |
✅ 3. Special Cases & Solutions
| Case | Recommended Action |
|---|---|
| Customs challenges the paper-specific use | Provide test reports, application proof, and technical specs |
| Product is used in both paper and textiles | Split shipment or declare as "for paper use" only with documentation |
| Export from Vietnam/Mexico/Thailand | Apply for IEEPA exemption — duty may drop to 0–5% |
| Need to reduce tariff burden | Apply for Advance Ruling (Pre-Ruling) to lock in HS code and duty rate |
🌍 Five, Global Market Comparison (2026 Update)
| Country/Region | Recommended HS Code | Duty Rate | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3809.92.50.00 / 3809.92.10.00 |
41.0% – 41.5% | EPA, REACH, SDS | Highest tariff |
| 🇨🇳 China | 3809.92.50.00 |
5% | CCC, RoHS | No extra duties |
| 🇪🇺 EU | 3809.92.50.00 |
0% (if CE) | CE, REACH | No 301/IEEPA duties |
| 🇦🇺 Australia | 3809.92.50.00 |
5% | RCM | No extra duties |
| 🇯🇵 Japan | 3809.92.50.00 |
0% | PSE | No additional taxes |
📌 Conclusion:
- USA has the highest tariffs — 41.5% for paper-specific flame retardants.
- China, EU, Japan, Australia are much more favorable for importers.
📌 Six, Common Mistakes & How to Avoid Them (Real-World Pitfalls)
❌ Mistake 1: Using 3824.99.29.00 for a paper-specific agent
👉 Result: 41.5% duty — overpaying by 25% vs. correct code.
❌ Mistake 2: Not proving paper-specific use
👉 Result: Customs reclassifies as general chemical → higher duty + penalties.
❌ Mistake 3: Declaring as "chemical additive" without paper context
👉 Result: May be misclassified as 2931.90.26.00 → 16.5% instead of 41.0% — but still not optimal.
✅ Correct Approach:
Use exact product name:
"Paper Flame Retardant Agent, for paper manufacturing, flame-resistant treatment, CAS: XXXX-XX-X"
🎯 Seven, Final Verdict: Precision Wins!
🎯 Remember the Golden Rule:
🔹 “If it’s for paper, use
3809.92.50.00or3809.92.10.00— not3824.99.29.00!”
🔹 “Prove it’s paper-specific — or pay 41.5%!”
🔹 “No de minimis — no escape — plan ahead!”
📌 Pro Tip:
If your product is originating from Vietnam, Mexico, Thailand, or Malaysia, apply for IEEPA exemption — duty may drop to 0–5%.
📣 Take Action Now:
📞 Contact a licensed customs broker + Submit product specs + Apply for HS Code Pre-Ruling
🚀 Ensure smooth clearance, avoid penalties, and save thousands in duties!
✨ Professional Customs, Starts with Accurate Classification!
💼 Your product’s value depends on the right HS code — don’t gamble!
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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) — 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.