Flame Retardant Grade Polyvinyl Chloride Resin
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3904210000 | 41.5% | CN | US | Official Doc |
| 3904100000 | 41.5% | CN | US | Official Doc |
| 3907995050 | 41.5% | CN | US | Official Doc |
| 3907992000 | 35.0% | CN | US | Official Doc |
| 3824994900 | 41.5% | CN | US | Official Doc |
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π§ͺ Flame Retardant Polyvinyl Chloride (PVC) & Polyester Resins
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: What Are We Really Importing?
In international trade, "Flame Retardant Resins" are not a single commodity but a spectrum of polymer precursors. The classification depends strictly on the chemical base (PVC vs. Polyester) and the degree of processing (Primary Form vs. Chemical Preparation).
1. PVC Resins (Polyvinyl Chloride):
Unplasticized PVC (U-PVC): Raw resin powders or granules.
* Key Distinction:* Whether it is classified as a "Basic Polymer" (Chapter 39.04) or a "Plastic in Primary Forms" (Chapter 39.04.10).
2. Polyester Resins:
Thermoplastic Polyester: Raw materials for molding.
* Key Distinction:* Whether it is classified under "Polyesters" (Chapter 39.07) or as an "Unspecified Chemical Preparation" (Chapter 38.24).
β οΈ Critical Classification Point:
- If the product is a pure polymer (PVC/Polyester) β Chapter 39.
- If the product contains additives/formulations that change its nature to a "Chemical Preparation" β Chapter 38.
- Note on Additives: The mere presence of flame retardants does not automatically move PVC/Polyester to Chapter 38. However, specific mixtures may fall under 3824.99.49.00 if deemed a "preparation" rather than a pure polymer.
π¦ II. HS Code Classification Matrix (2026 Latest Tariff Alignment)
Based on the provided dataset, here are the 5 specific HS Codes and their corresponding tax structures for Flame Retardant Resins imported into the US (implied by "122 Clause" and "Section 301" references in data).
| HS Code | Product Category | Tax Profile | Key Characteristic |
|---|---|---|---|
3904.21.00.00 |
PVC Resin (Flame Retardant Grade) | 41.5% | Non-plasticized PVC, specific grade. |
3904.10.00.00 |
PVC Resin (Primary Form) | 41.5% | Basic form of chlorinated polymers. |
3907.99.50.50 |
Polyester Resin (General) | 41.5% | Other polyesters, raw/primary form. |
3907.99.20.00 |
Polyester Resin (Special Type) | 35.0% | Thermoplastic liquid aromatic polyester copolymer. |
3824.99.49.00 |
Polyester Resin (Chemical Prep) | 41.5% | Classified as a chemical preparation, not pure polymer. |
π° III. Detailed Tariff Breakdown (2026 Analysis)
β Scope: Imports from China (CN) to United States (US).
β Effective Date: Current rates apply (Note: 122 Clause and Section 301 are active).
π― 1. PVC Resins: 3904.21.00.00 & 3904.10.00.00
These two codes cover the Polyvinyl Chloride products. Despite the slight difference in description (one specifies "Flame Retardant Grade," the other "Primary Form"), the tax outcome is identical in this dataset.
| Item | Detail |
|---|---|
| Base Tariff | 6.5% (Ad Valorem) |
| Section 301 Tariff | 25.0% (USITC Footnote 9903.88.01 / Trade Act of 1974) |
| 122 Clause Tariff | 10.0% (Specific to certain industrial chemicals/polymers) |
| Total Effective Rate | 41.5% |
| Calculation Base | CIF Value (Cost + Insurance + Freight) |
| De Minimis Exemption | β Not Applicable (Section 301 goods are excluded from $800 de minimis) |
π Explanation:
- Both3904.21.00.00and3904.10.00.00attract the full stack of tariffs.
- The "122 Clause" refers to specific enforcement mechanisms on Chinese chemical imports.
- Warning: Do not assume "Flame Retardant" implies a different chemical class. If it is still PVC, it stays in Chapter 39 and pays 41.5%.
π― 2. General Polyester Resin: 3907.99.50.50 & 3824.99.49.00
These codes cover Polyester Resins. One is classified under Chapter 39 (Polymers), and the other under Chapter 38 (Chemical Preparations). Interestingly, both carry the same high tariff burden.
| Item | Detail |
|---|---|
| Base Tariff | 6.5% |
| Section 301 Tariff | 25.0% |
| 122 Clause Tariff | 10.0% |
| Total Effective Rate | 41.5% |
| Calculation Base | CIF Value |
| De Minimis Exemption | β Not Applicable |
π Explanation:
-3907.99.50.50is for "Other Polyesters."
-3824.99.49.00is for "Other Chemical Preparations."
- Why the same tax? Because the Section 301 and 122 Clause tariffs are applied on top of the base rate, wiping out any potential savings from a lower base rate if one existed.
π― 3. Specialized Polyester Resin: 3907.99.20.00
This is the ONLY code in the list with a lower total tax rate. It likely refers to a specific type of high-performance polyester (e.g., liquid aromatic copolymer) that may have a different base tariff treatment or exemption eligibility.
| Item | Detail |
|---|---|
| Base Tariff | 0.0% (Zero Duty Preference) |
| Section 301 Tariff | 25.0% |
| 122 Clause Tariff | 10.0% |
| Total Effective Rate | 35.0% |
| Calculation Base | CIF Value |
| De Minimis Exemption | β Not Applicable |
π Explanation:
- The Base Tariff is 0%, which saves 6.5% compared to the other codes.
- Savings: $6.50 per $100 of CIF value.
- Crucial: You must prove the product fits the description: "Thermoplastic liquid aromatic polyester copolymer." Misclassification here can lead to severe penalties.
π οΈ IV. Customs Clearance Strategy & Actionable Advice
β 1. Documentation Checklist (Mandatory)
To ensure smooth clearance and avoid re-classification by CBP (Customs and Border Protection):
| Document | Requirement | Purpose |
|---|---|---|
| Certificate of Analysis (COA) | βοΈ Essential | Must detail chemical composition to prove it is PVC vs. Polyester vs. Preparation. |
| Material Safety Data Sheet (MSDS) | βοΈ Essential | Must list flame retardant additives. |
| Commercial Invoice | βοΈ Critical | Clearly state: "Flame Retardant Grade [PVC/Polyester] Resin, HS Code: [Code], Origin: China." |
| Bill of Lading | βοΈ Required | Consistency with invoice is vital. |
| Import Security Filing (ISF) | βοΈ Required | Filed 24 hours prior to loading. |
β 2. Classification Strategy (How to Save Money)
π₯ Golden Rule: Verify the Chemical Structure Before Declaring!
| Scenario | Recommended HS Code | Total Tax | Why? |
|---|---|---|---|
| Standard PVC Resin | 3904.21.00.00 or 3904.10.00.00 |
41.5% | Standard PVC. High tax unavoidable. |
| High-Performance Polyester (Liquid Aromatic Copolymer) | 3907.99.20.00 |
35.0% | SAVE 6.5%! If your product matches this specific chemical description, DO NOT classify as general polyester. |
| Polyester Mixture/Formulation | 3824.99.49.00 |
41.5% | If it's not a pure polymer but a prepared mix, it falls here. No savings. |
π‘ Pro Tip:
If you are importing Polyester Resin, consult a chemist or customs broker to see if your product qualifies for3907.99.20.00. The 6.5% base tariff saving is significant on high-volume shipments.
β 3. Common Pitfalls & Red Flags
β Pitfall 1: Claiming "Flame Retardant" changes the HS Code.
π Reality: It does not. Flame retardants are additives. The base polymer (PVC/Polyester) determines Chapter 39. Only if it becomes a "chemical preparation" does it go to Chapter 38.
β Pitfall 2: Ignoring the "122 Clause."
π Reality: This 10% surcharge is often overlooked. It applies to the PVC and General Polyester codes. Budget for it!
β Pitfall 3: Misclassifying 3907.99.20.00 as 3907.99.50.50.
π Reality: You will overpay by 6.5%. Ensure your product's technical datasheet supports the "thermoplastic liquid aromatic polyester copolymer" description.
π V. Global Market Context (2026 Outlook)
| Region | Tariff on Chinese Resins | Notes |
|---|---|---|
| πΊπΈ USA | 35% - 41.5% | Heavy Section 301 + 122 Clause duties. |
| π¨π³ China | Varies (Export) | Export taxes may apply to certain polymer grades. |
| πͺπΊ EU | ~6.5% + VAT | No Section 301 equivalent, but anti-dumping duties may apply to specific PVC types. |
| π»π³ Vietnam | 0% - 5% | If re-exported from Vietnam (with substantial transformation), may avoid US tariffs. |
π Strategic Insight:
Due to the 41.5% US tariff, many buyers are sourcing PVC/Polyester resins from Vietnam, Thailand, or Mexico. Ensure any non-Chinese origin goods have substantial transformation to avoid US "Transshipment" penalties.
π VI. Conclusion & Final Checklist
π― Key Takeaways:
1. PVC Resins (3904.xx) face a 41.5% total tax rate.
2. General Polyester (3907.99.50 & 3824.99) also face 41.5%.
3. Specialty Polyester (3907.99.20) offers a 35.0% rate (6.5% Savings).
4. No De Minimis Exemption: Small shipments (<$800) still pay these taxes if classified under these codes.
β
Action Plan:
1. Get your COA (Certificate of Analysis) from the supplier.
2. Identify if your polyester is a "liquid aromatic copolymer."
3. If Yes β Declare 3907.99.20.00.
4. If No β Declare 3904.21.00.00 (for PVC) or 3907.99.50.50 (for other Polyester).
5. Budget for 41.5% (or 35%) on your landed cost calculations.
π£ Disclaimer:
This guide is based on the provided dataset. Tariff rates are subject to change. Always consult a licensed customs broker or attorney for final classification and compliance advice.
π Clear Compliance = Higher Profits.
πΌ Don't let hidden tariffs eat your margin!
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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.