Solvent Based Copolymers (Primary Forms)
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3906905000 | 39.2% | CN | US | Official Doc |
| 3901306000 | 40.3% | CN | US | Official Doc |
| 3905210000 | 39.0% | CN | US | Official Doc |
| 3901905501 | 41.5% | CN | US | Official Doc |
| 3906902000 | 41.3% | CN | US | Official Doc |
| 3905915000 | 40.3% | CN | US | Official Doc |
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AI Analysis
π§ͺ Solvent Based Copolymers (Primary Forms)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Strategy
π I. Product Definition & Classification: Do You Really Understand "Solvent Based Copolymers"?
Solvent-Based Copolymers are synthetic polymers formed by polymerizing two or more different monomers, dissolved in organic solvents. When supplied in "Primary Forms" (such as powders, granules, flakes, or liquids), they serve as essential raw materials for manufacturing coatings, adhesives, sealants, and plastics.
In international trade, these materials fall under Chapter 39 (Plastics and Articles Thereof). The key to accurate classification lies in distinguishing the chemical nature of the copolymer (e.g., acrylic-based vs. vinyl-based) and its physical state (primary form).
β οΈ Critical Distinction:
- If the polymer is acrylic-based (derived from acrylic acid/esters) β Typically falls under Heading 39.06.
- If the polymer is vinyl-based (derived from vinyl acetate or ethylene) β Typically falls under Heading 39.01 or 39.05.
- Primary Forms include: Powders, granules, flakes, liquids, or solutions intended for further processing.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data analysis for this product type, here are the five most likely HS Code classifications, ranked by relevance and tax implications:
| HS Code | Product Description | Matching Criteria | Total Tax Rate (China Origin) |
|---|---|---|---|
3906.90.50.00 |
Acrylic Polymer Copolymers (Primary Forms) | Matches "Water Based Copolymers" inferred as acrylic polymer category; Primary Forms condition met. | 39.2% |
3901.30.60.00 |
Ethylene-Vinyl Acetate (EVA) Copolymers (Primary Forms) | Matches "Copolymers" & "Primary Forms"; specifically identifies EVA composition. | 40.3% |
3905.21.00.00 |
Vinyl Acetate Copolymers (Primary Forms) | Matches "Water Based Copolymers" inferred as vinyl acetate copolymer; Primary Forms condition met. | 39.0% |
3901.90.55.01 |
Other Ethylene Copolymers (Primary Forms) | Matches "Copolymers" & "Primary Forms"; broad category for ethylene-based copolymers not elsewhere specified. | 41.5% |
3906.90.20.00 |
Acrylic Polymer Copolymers (Primary Forms) | Matches "Primary Forms"; "Water Based Copolymers" chemically aligned with acrylic polymers. | 41.3% |
π Key Insight:
- The term "Solvent Based" in the user input suggests a liquid solution, but customs often classifies these under Primary Forms if they are supplied as raw material solutions/granules for further manufacturing.
- The largest variance in tax rates (39.0% - 41.5%) stems from whether the copolymer is classified as Acrylic (39.06), Ethylene-Based (39.01), or Vinyl Acetate-Based (39.05).
- Lowest Tax Option:3905.21.00.00at 39.0%.
- Highest Tax Option:3901.90.55.01at 41.5%.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: November 10, 2025 onwards (including subsequent imports)
π― 1. 3906.90.50.00 β Acrylic Polymer Copolymers (Primary Forms)
| Item | Content |
|---|---|
| Base Tariff Rate | 4.2% (ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% (Targeting China/HK products) |
| Total Tax Rate | 39.2% |
| Tax Calculation | CIF Value Γ 39.2% |
| De Minimis Eligibility | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β IEEPA:9903.01.24 β USITC:3906.90.50.00 β FOOTNOTE:9903.88.01 |
π Explanation:
- "USITC Surcharge 25%" is from Section 301 of the Trade Act;
- "IEEPA 10%" is from the International Emergency Economic Powers Act;
- Total 39.2%, considered high tariff. Early prediction is crucial!
π― 2. 3901.30.60.00 β Ethylene-Vinyl Acetate (EVA) Copolymers (Primary Forms)
| Item | Content |
|---|---|
| Base Tariff Rate | 5.3% (ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 40.3% |
| Tax Calculation | CIF Value Γ 40.3% |
| De Minimis Eligibility | β Not Eligible |
| Legal Basis Path | IEEPA:9901.25 β IEEPA:9903.01.24 β USITC:3901.30.60.00 β FOOTNOTE:9903.88.01 |
π Note:
- Same surcharge structure applies;
- Even if supplied as a solution or granule, if identified as EVA, this code applies.
π― 3. 3905.21.00.00 β Vinyl Acetate Copolymers (Primary Forms)
| Item | Content |
|---|---|
| Base Tariff Rate | 4.0% (ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 39.0% |
| Tax Calculation | CIF Value Γ 39.0% |
| De Minimis Eligibility | β Not Eligible |
| Legal Basis Path | IEEPA:9901.25 β IEEPA:9903.01.24 β USITC:3905.21.00.00 β FOOTNOTE:9903.88.01 |
π Recommendation:
- Lowest Total Tax Rate (39.0%) among all options.
- If your product is indeed a vinyl acetate copolymer, prioritize this HS Code to minimize costs.
π― 4. 3901.90.55.01 β Other Ethylene Copolymers (Primary Forms)
| Item | Content |
|---|---|
| Base Tariff Rate | 6.5% (ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β Not Eligible |
| Legal Basis Path | IEEPA:9901.25 β IEEPA:9903.01.24 β USITC:3901.90.55.01 β FOOTNOTE:9903.88.01 |
π Warning:
- Highest Total Tax Rate (41.5%).
- Use only if the product cannot be classified under more specific headings like EVA or Acrylic.
π― 5. 3906.90.20.00 β Acrylic Polymer Copolymers (Primary Forms)
| Item | Content |
|---|---|
| Base Tariff Rate | 6.3% (ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 41.3% |
| Tax Calculation | CIF Value Γ 41.3% |
| De Minimis Eligibility | β Not Eligible |
| Legal Basis Path | IEEPA:9901.25 β IEEPA:9903.01.24 β USITC:3906.90.20.00 β FOOTNOTE:9903.88.01 |
π Comparison:
- Slightly higher than3906.90.50.00(41.3% vs 39.2%).
- Both fall under acrylic polymers, but sub-headings differ based on specific chemical properties or form details.
π οΈ IV. Customs Clearance Practical Advice (Actionable Pitfall Avoidance)
β 1. Document Preparation Checklist (All Mandatory)
| Document | Required | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Includes chemical composition, monomer types, solvent type, solid content, viscosity. |
| β Certificate of Analysis (COA) | βοΈ | Proves it is a "Copolymer" and defines primary form (powder/granule/liquid). |
| β Product Photos | βοΈ | Clear image of packaging, label, and physical state (e.g., granules vs. clear liquid). |
| β Third-Party Test Report | βοΈ | TDS/MSDS to confirm chemical structure (Acrylic vs. Vinyl vs. EVA). |
| β Commercial Invoice | βοΈ | Clearly state "Solvent-Based Copolymers, Primary Forms" and correct HS Code. |
| β Certificate of Origin (CO) | βοΈ | Required for tariff calculation; if not China-origin, check for preferential rates. |
| β Packing List | βοΈ | Detail net/gross weight and packaging type to confirm "Primary Form" status. |
β 2. Declaration Tips (Key Mantras)
π₯ "Accurate Chemistry, Correct Form, Lower Tax!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Vinyl Acetate Copolymer | 3905.21.00.00 (39.0%) |
Misdeclare as Acrylic β 39.2% or 41.3% |
| EVA Copolymer | 3901.30.60.00 (40.3%) |
Misdeclare as Other Ethylene β 41.5% |
| Acrylic Copolymer | 3906.90.50.00 (39.2%) |
Misdeclare as Other Acrylic β 41.3% |
| Primary Form (Liquid/Solution) | Must provide COA proving it is raw material, not finished product | Declare as "Coating" or "Adhesive" β Different HS, Potential Penalty |
β 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| OEM Custom Copolymers | Provide customer order + technical data sheet to avoid being classified as "Unspecified" |
| Liquid Solvent-Based Solutions | Ensure COA confirms it is a "Primary Form" (raw material) and not a "Finished Product" like paint |
| Mixed Copolymers | If multiple monomers, declare the dominant polymer type; provide detailed chemical breakdown |
| Non-China Origin | If from Vietnam, Mexico, etc., apply for IEEPA Exemption to reduce tax to 0%~5% |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3905.21.00.00 |
39.0% (Lowest) | TSCA + Prop 65 | High tariffs for acrylic/ethylene |
| π¨π³ China | 3905.21.00.00 |
5% | CCC (if applicable) | No additional surcharges |
| πͺπΊ EU | 3905.21.00.00 |
0% (if REACH compliant) | REACH + RoHS | No surcharges |
| π¦πΊ Australia | 3905.21.00.00 |
5% | AICIS | No surcharges |
| π―π΅ Japan | 3905.21.00.00 |
0% | JIS | No surcharges |
π Conclusion:
- USA imposes high surcharges on China-origin plastics;
- EU/Asia/Japan have minimal or no tariffs;
- Consider supply chain diversification if targeting the US market heavily.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring "Solvent-Based Copolymer" without specifying the polymer type (Acrylic vs. Vinyl vs. EVA)
π Consequence: Customs may assign the highest default rate (41.5%) or delay clearance.
β Error 2: Declaring as "Finished Product" (e.g., Paint) instead of "Primary Form"
π Consequence: Wrong HS Code β Penalty + Back Taxes.
β Error 3: Ignoring the IEEPA 10% surcharge in cost calculation
π Consequence: Profit margin erosion due to unexpected customs fees.
β Error 4: Not providing Certificate of Analysis (COA)
π Consequence: Customs cannot verify chemical structure β 100% inspection delay.
β Correct Practice:
"Vinyl Acetate Copolymer, Primary Form, Solvent-Based Solution, Solid Content 40%, Model XYZ, REACH Compliant, TSCA Listed"
π― VII. Conclusion: Professional Declaration, Save Time & Money!
π― Remember the Mantra:
πΉ "Identify Monomer: Vinyl is Cheapest (39.0%), Acrylic Next (39.2%), EVA (40.3%), Other Ethylene (41.5%)."
πΉ "Primary Form is Key: Raw Material = Chapter 39. Finished Product = Different Chapter."
π Pro Tip:
If your product is originating from Vietnam, Mexico, Thailand, or Malaysia, you may qualify for IEEPA Exemption, reducing tariffs to 0%~5%.
Recommend applying for an Advance Ruling before shipment to avoid customs risks.
π£ Immediate Action:
π Contact a Professional Broker + Provide Product Photos + Apply for HS Code Advance Ruling
π Ensure smooth customs clearance, efficient export, and maximized profit margins!
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Every Cent of Your Cost Deserves Precision!
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) 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.