High performance resin matrix
CN โ US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3913905000 | 41.5% | CN | US | Official Doc |
| 3907995050 | 41.5% | CN | US | Official Doc |
| 3907290000 | 41.5% | CN | US | Official Doc |
| 3913902090 | 40.8% | CN | US | Official Doc |
| 3901905501 | 41.5% | CN | US | Official Doc |
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๐งช High Performance Resin Matrix (HPRM)
๐ HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Clearance Strategy
๐ Part I: Product Definition & Classification: Do You Really Understand "High Performance Resin Matrix"?
High-performance resin matrices are advanced polymer materials used primarily as binders in composite materials (aerospace, automotive, electronics). In international trade, they are not a single HS code but are classified based on their chemical nature and physical form.
The key distinction lies in:
1. Chemical Structure: Is it a natural polymer, a polyester, an epoxy, or a polyether?
2. Physical Form: Is it in "primary form" (raw granules/powders) or "other forms" (blocks, sheets, pastes)?
โ ๏ธ Critical Classification Point:
- If the resin is a modified natural polymer (e.g., modified cellulose, shellac derivatives) โ Chapter 3913
- If the resin is a synthetic polymer (e.g., polyester, epoxy, polyether) โ Chapter 3907 or 3901
- Form Matters: "Primary form" (raw materials) often has different tax rates than "other forms" (semi-finished goods).
๐ฆ Part II: HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the specific HS Codes for High Performance Resin Matrix, categorized by chemical type and form:
| HS Code | Product Description | Application Scenario | Tax Category | Total Tax Rate |
|---|---|---|---|---|
| 3913.90.50.00 | Natural polymers or modified natural polymers, other forms | Modified natural resins (non-primary form) | Other | 41.5% |
| 3907.99.50.50 | Polyester, epoxy resins, etc., other forms | Epoxy matrices, unsaturated polyester matrices | Other | 41.5% |
| 3907.29.00.00 | Other polyethers, primary forms | Raw polyether resins (granules/powders) | Primary | 41.5% |
| 3913.90.20.90 | Natural polymers or modified natural polymers, other forms | Variant: Lower base tariff for modified natural polymers | Other | 40.8% |
| 3901.90.55.01 | Polymers/copolymers, primary forms | Generic synthetic polymers (primary form) | Primary | 41.5% |
๐ Key Reminder:
- 3913 applies to natural or modified natural polymers.
- 3907 applies to polyesters, epoxies, and polyethers (synthetic resins).
- 3901 applies to polymers of ethylene (primary forms).
- "Primary Form" means raw, unprocessed materials (powders, granules, liquids).
- "Other Forms" means semi-finished shapes (blocks, plates, non-primary shapes).
๐ฐ Part III: 2026 Latest Tariff Rate Breakdown (Including Surcharges, Policy Add-ons)
โ Applicable Country: United States (US)
โ Origin: China (CN)
โ Effective Time: 2025ๅนด11ๆ10ๆฅ่ตท (from Nov 10, 2025)
๐ฏ 1. 3913.90.50.00 & 3907.99.50.50 & 3907.29.00.00 & 3901.90.55.01
| Item | Content |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Section 301 Surcharge | +25.0% (USITC Footnote 9903.88.01 / 301 List) |
| Section 122 Tariff | +10.0% (Specific clause for certain Chinese goods) |
| Total Tariff | 41.5% |
| Calculation | CIF Value ร 41.5% |
| De Minimis Exemption | โ Not Eligible (deny_de_minimis) |
| Legal Basis Path | Base: 6.5% โ 301: 25.0% โ Section 122: 10% |
๐ Explanation:
- The 6.5% is the standard Most Favored Nation (MFN) base rate.
- The 25% is the Section 301 tariff on Chinese-origin high-tech and industrial materials.
- The 10% is a specific "Section 122" tariff (often applied to specific categories of Chinese imports to protect domestic industries).
- Total 41.5% is extremely high. This is a high-cost import category.
๐ฏ 2. 3913.90.20.90
| Item | Content |
|---|---|
| Base Tariff | 5.8% (ad valorem) |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tariff | 40.8% |
| Calculation | CIF Value ร 40.8% |
| De Minimis Exemption | โ Not Eligible |
| Legal Basis Path | Base: 5.8% โ 301: 25.0% โ Section 122: 10% |
๐ Note:
- This HS code applies to natural/modified natural polymers in "other forms."
- The base tariff is 0.7% lower than other codes (5.8% vs 6.5%), resulting in a total of 40.8%.
- While slightly cheaper, it is still a prohibitive tariff level.
๐ ๏ธ Part IV: Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
โ 1. Required Documentation Checklist (Missing Items Will Cause Delays)
| Document | Required | Notes |
|---|---|---|
| โ Product Specification Sheet | โ๏ธ | Must detail chemical composition, molecular weight, and physical form (powder, liquid, solid). |
| โ Chemical Structure Diagram | โ๏ธ | Crucial to prove if itโs "natural" (3913) or "synthetic" (3907/3901). |
| โ Product Photos (Label & Container) | โ๏ธ | Show "Primary Form" or "Other Form" clearly. |
| โ Certificate of Origin (CO) | โ๏ธ | Essential for confirming Chinese origin to apply Section 301/122. |
| โ Commercial Invoice | โ๏ธ | Must explicitly state "High Performance Resin Matrix" and HS Code. |
| โ Packing List | โ๏ธ | Confirm weight, volume, and packaging type. |
โ 2. Declaration Tips (Key Mnemonics)
๐ฅ "Form Determines Code, Chemistry Determines Chapter!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Epoxy/Polyester in liquid/granule form | 3907.29.00.00 or 3907.99.50.50 |
Misdeclare as "Plastics" (higher risk) |
| Modified Natural Polymer in block form | 3913.90.50.00 or 3913.90.20.90 |
Misdeclare as "Natural Rubber" |
| Generic Synthetic Polymer (Primary Form) | 3901.90.55.01 |
Over-complicate with specific chemical names |
| Any of the above in "Other Forms" | Ensure "Other Form" is stated | Claiming "Primary Form" when itโs a block โ Penalty |
โ 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| Isomer Mixtures | Provide detailed chemical breakdown to determine if itโs polyester, epoxy, or polyether. |
| Custom Blends | If itโs a mixture, the classification follows the principal component. Provide proof of composition. |
| Small Sample Imports | Even small samples are subject to 41.5% tax. De Minimis exemption does not apply. |
| OEM Custom Resin | Provide customer specifications and formula sheets to justify the specific HS Code. |
๐ Part V: Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| ๐บ๐ธ USA | 3907.99.50.50 etc. |
41.5% | None specific, but origin proof critical | Highest tariffs due to Section 301 & 122 |
| ๐จ๐ณ China | 3907.99.50.50 etc. |
6.5% - 7.5% | RoHS (if electronic) | No Section 301 surcharge |
| ๐ช๐บ EU | 3907.99 etc. |
6.5% - 7.5% | REACH Registration | No Section 301, but REACH compliance costly |
| ๐ฎ๐ณ India | 3907.99 etc. |
7.5% - 10% | BIS Certification | Moderate tariffs |
๐ Conclusion:
- USA is the most challenging market for High Performance Resin Matrix from China, with 41.5% total tariff.
- Cost Impact: A $10,000 shipment incurs $4,150 in taxes alone.
- Strategy: Consider supply chain diversification (e.g., sourcing from Vietnam, Mexico, or EU) to avoid Section 301/122 tariffs.
๐ Part VI: Common Mistakes & Pitfall Guide (Lessons Learned)
โ Mistake 1: Declaring "Resin" generically without specifying chemical type
๐ Consequence: Customs may classify it under a higher duty category or reject the declaration due to ambiguity.
โ Mistake 2: Claiming "Natural Polymer" when itโs Synthetic
๐ Consequence: Misclassification penalty + back taxes + potential fraud charges.
โ Mistake 3: Ignoring "Section 122" tariff
๐ Consequence: Unexpected 10% charge. Many importers only account for Base + Section 301.
โ Mistake 4: Assuming De Minimis (de minimis exemption) applies to small shipments
๐ Consequence: All shipments are subject to 41.5% tax. No exemption for samples or small batches.
โ Correct Practice:
"High Performance Epoxy Resin Matrix, Liquid Form, 100% Synthetic, Chemical Code [XXX], HS Code 3907.99.50.50, Origin: China"
๐ฏ Part VII: Conclusion: Professional Declaration, Cost Savings, Efficiency!
๐ฏ Remember the Mnemonic:
๐น "Chemistry Defines Chapter, Form Defines Subheading, China Origin Means 41.5%!"
๐น "Section 301 (25%) + Section 122 (10%) + Base (6.5%) = 41.5% Total Tax!"
๐ Pro Tip:
- If your resin is originally from Vietnam, Mexico, or Germany, you may avoid the 25%+10% surcharges, reducing tariffs to Base Rate (~6.5%).
- Apply for Advance Ruling from CBP (U.S. Customs) before shipping to confirm the exact HS Code and tariff liability.
- Consider Tariff Engineering: Can the resin be modified slightly to fall under a different HS code with a lower base rate? (Consult a customs broker.)
๐ฃ Immediate Action:
๐ Contact a licensed customs broker + Provide Chemical Data Sheet + Apply for Advance Ruling
๐ Ensure your High Performance Resin Matrix clears customs smoothly, avoiding 41.5% unexpected costs!
โจ Professional Clearance Starts with Accurate Classification!
๐ผ Every dollar of tax 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) โ Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) โ More specific grouping within the chapter
- Subheading (6 digits) โ Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) โ 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 โ The standard duty rate applied to WTO members
- General rate โ Applied to countries without trade agreements
- Trade remedy duties โ 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.