Acrylic Polymer
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3214100010 | 38.7% | CN | US | Official Doc |
| 3506990000 | 37.1% | CN | US | Official Doc |
| 3506915000 | 37.1% | CN | US | Official Doc |
| 3906905000 | 39.2% | CN | US | Official Doc |
| 3214100020 | 38.7% | CN | US | Official Doc |
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AI Analysis
π― Acrylic Polymer Sealants
π HS Code & Tariff Guide | 2026 Updated | U.S. Customs Compliance & Strategic Clearance Tips
π Understanding the Classification & Taxation of Acrylic Polymer Sealants β Expert-Level Breakdown
π¦ I. Product Definition & Classification: What Exactly Is an Acrylic Polymer Sealant?
Acrylic polymer sealants are high-performance, moisture-curing adhesives widely used in construction, automotive, electronics, and industrial applications. They are known for their excellent adhesion, UV resistance, flexibility, and durability.
In U.S. customs classification, these materials are not treated as raw chemicals but as finished or pre-mixed sealing compounds β which significantly impacts their HS code and tariff treatment.
β οΈ Key Classification Insight:
- If the product is a pure polymer (unmixed) β classified under 3906.90.50.00
- If the product is already formulated as a sealant (with additives, solvents, catalysts) β classified under 3214.10.00.10, 3506.99.00.00, or 3506.91.50.00
π II. HS Code Breakdown (2026 U.S. Harmonized Tariff Schedule β HTSUS)
| HS Code | Product Description | Key Features | Tax Status |
|---|---|---|---|
3214.10.00.10 |
Acrylic polymer sealants; matches sealant chemical characteristics | Pre-mixed, ready-to-use, high-performance sealant | β High Tariff |
3506.99.00.00 |
Acrylic polymer sealants; classified as pre-mixed adhesives | Formulated for bonding, sealing, or coating | β High Tariff |
3506.91.50.00 |
Acrylic polymer sealants; meets polymer adhesive definition | Designed for structural or flexible bonding | β High Tariff |
3906.90.50.00 |
Acrylic polymer sealants; in primary chemical form (unmixed polymer) | Raw polymer, not yet formulated into sealant | β Highest Tariff |
π Critical Distinction:
-3906.90.50.00= Raw polymer, not yet a sealant β higher base tariff
-3214.10.00.10/3506.99.00.00/3506.91.50.00= Formulated sealant β same tariff structure despite different codes
π° III. 2026 U.S. Tariff Breakdown β Full Tax Detail (China-Origin Goods)
β Applicable to: U.S. imports from China (CN)
β Effective Date: November 10, 2025 (and ongoing)
β Legal Basis: Section 301, IEEPA, and Section 122 of U.S. Trade Act
π― 1. 3214.10.00.10 β Acrylic Sealant (Chemical Match)
| Tax Component | Rate | Legal Basis | Notes |
|---|---|---|---|
| Basic Duty | 3.7% | HTSUS 3214.10.00 | Standard tariff |
| Section 301 (USITC) | +25.0% | USITC: 9903.88.01 |
Tariff under Section 301 |
| Section 122 (IEEPA) | +10.0% | IEEPA: 9903.01.24 |
Emergency economic powers |
| Total Effective Rate | 38.7% | β | Highly punitive |
π Why This Applies:
- The product is a ready-to-use sealant with acrylic polymer as the base, not raw material
- Matches chemical characteristics of sealants β falls under 3214.10.00.10
π― 2. 3506.99.00.00 β Acrylic Sealant (Pre-Mixed Adhesive)
| Tax Component | Rate | Legal Basis | Notes |
|---|---|---|---|
| Basic Duty | 2.1% | HTSUS 3506.99.00 | Lower base rate |
| Section 301 (USITC) | +25.0% | USITC: 9903.88.01 |
Same as above |
| Section 122 (IEEPA) | +10.0% | IEEPA: 9903.01.24 |
Applies to all China-origin goods |
| Total Effective Rate | 37.1% | β | Slightly lower than 3214.10.00.10 |
π Why This Applies:
- The product is a pre-mixed adhesive, not a raw chemical
- Classified under adhesives & sealants β 3506.99.00.00 is the correct heading
π― 3. 3506.91.50.00 β Acrylic Sealant (Polymer Adhesive Definition)
| Tax Component | Rate | Legal Basis | Notes |
|---|---|---|---|
| Basic Duty | 2.1% | HTSUS 3506.91.50 | Matches adhesive definition |
| Section 301 (USITC) | +25.0% | USITC: 9903.88.01 |
Same as above |
| Section 122 (IEEPA) | +10.0% | IEEPA: 9903.01.24 |
Applies universally |
| Total Effective Rate | 37.1% | β | Same as 3506.99.00.00 |
π Why This Applies:
- The product meets the definition of a polymer adhesive (bonding agent with polymer base)
- Used in structural or flexible sealing β fits 3506.91.50.00
π― 4. 3906.90.50.00 β Acrylic Polymer (Raw Form)
| Tax Component | Rate | Legal Basis | Notes |
|---|---|---|---|
| Basic Duty | 4.2% | HTSUS 3906.90.50 | Higher base rate for raw polymer |
| Section 301 (USITC) | +25.0% | USITC: 9903.88.01 |
Applies to all China-origin goods |
| Section 122 (IEEPA) | +10.0% | IEEPA: 9903.01.24 |
Applies to all China-origin goods |
| Total Effective Rate | 39.2% | β | Highest tariff of all |
π Why This Applies:
- The product is not yet formulated β itβs raw acrylic polymer (e.g., emulsion, powder, or liquid polymer)
- Not a sealant yet β not pre-mixed, not ready-to-use
- Therefore, classified under 3906.90.50.00π₯ Critical Risk:
- Misclassifying raw polymer as formulated sealant β underpayment of duty β penalties, audits, fines
π οΈ IV. Customs Clearance Best Practices (Pro Tips for Importers)
β 1. Essential Documentation (Must-Have)
| Document | Required? | Why It Matters |
|---|---|---|
| β Product Specification Sheet | βοΈ | Shows formulation, curing method, chemical composition |
| β MSDS / SDS (Safety Data Sheet) | βοΈ | Proves chemical identity, confirms polymer type |
| β Formulation Diagram / Lab Report | βοΈ | Confirms whether itβs raw polymer or pre-mixed sealant |
| β Commercial Invoice | βοΈ | Must clearly state: "Acrylic Polymer Sealant, Pre-Mixed, Ready-to-Use" |
| β Packing List | βοΈ | Shows packaging, quantity, net weight |
| β Certificate of Origin (CO) | βοΈ | If from non-China, may qualify for lower tariffs |
| β Third-Party Test Report (e.g., ASTM, ISO) | βοΈ | Supports classification claims |
β 2.η³ζ₯ζε·§ (η³ζ₯ε£θ―)
π₯ βFormulated = Lower Tax, Raw = Higher Tax, Label Matters, Docs Win!β
| Scenario | Correct HS Code | Incorrect Code | Risk |
|---|---|---|---|
| Pre-mixed sealant (ready to use) | 3214.10.00.10 or 3506.99.00.00 |
3906.90.50.00 |
Underpaying duty β audit risk |
| Raw acrylic polymer (not mixed) | 3906.90.50.00 |
3506.99.00.00 |
Overpaying duty β lost profit |
| Sealant with additives (e.g., UV stabilizers) | 3214.10.00.10 |
3906.90.50.00 |
Wrong classification β delays |
| Product labeled βAcrylic Adhesiveβ | 3506.91.50.00 |
3214.10.00.10 |
Same tax, but wrong code β compliance risk |
β 3. Special Cases & Solutions
| Situation | Recommended Action |
|---|---|
| OEM Custom Formulation | Provide customer specs + lab report to prove pre-mixed status |
| Bulk Polymer Sold to Distributors | If not mixed, must use 3906.90.50.00 β no exceptions |
| Products with Dual Use (Sealant & Adhesive) | Use 3214.10.00.10 if primarily used as sealant |
| Products with High Solvent Content | Still classified under 3214.10.00.10 if used as sealant |
| Import from Vietnam/Mexico/Thailand | May qualify for IEEPA exemption β 0% tariff on 301-listed goods |
π V. Global Tariff Comparison (2026)
| Country | Recommended HS Code | Base Duty | 301/IEEPA Tax | Total Effective Rate |
|---|---|---|---|---|
| πΊπΈ USA (China origin) | 3214.10.00.10 |
3.7% | +25% +10% | 38.7% |
| π¨π³ China | 3506.99.00.00 |
5% | None | 5% |
| πͺπΊ EU | 3506.99.00.00 |
0% | None | 0% |
| π¦πΊ Australia | 3506.99.00.00 |
5% | None | 5% |
| π―π΅ Japan | 3506.99.00.00 |
0% | None | 0% |
π Insight:
- The U.S. is the only major market imposing 301 + IEEPA tariffs on acrylic sealants from China
- Vietnam/Mexico/Thailand are preferred sourcing countries for U.S. importers to avoid 38.7% tariff
π¨ VI. Common Mistakes & Real-World Risks
β Mistake 1: Classifying raw acrylic polymer as pre-mixed sealant
π Result: Underpaid duty β fines, penalties, back taxes (up to 100% of value)
β Mistake 2: Using βAcrylic Resinβ as product name without proof of formulation
π Result: Customs may reclassify to 3906.90.50.00 β 39.2% tariff instead of 37.1%
β Mistake 3: Not providing formulation data or SDS
π Result: Delayed release, request for additional info, or detention
β Mistake 4: Splitting shipment into βpolymerβ + βadditivesβ
π Result: Each part may be taxed separately β total tariff > 80%
β Correct Approach:
Use clear, precise product names like:
"Acrylic Polymer Sealant, Pre-Mixed, Ready-to-Use, with UV Stabilizers, Formulated for Construction, 500g Tube, FDA-Compliant"
π― VII. Final Verdict: Optimize Your Supply Chain & Avoid Tariff Traps
π― Golden Rules:
πΉ "If itβs mixed, itβs 3506 or 3214 β not 3906"
πΉ "If itβs raw, itβs 3906 β and taxed at 39.2%"
πΉ "Label accurately, document thoroughly, and source wisely"π Pro Tip:
- Shift sourcing to Vietnam, Mexico, or Thailand to avoid 38.7% tariff
- Apply for Advance Ruling (AR) to get binding classification before shipment
- Use a U.S.-based customs broker with 301/IEEPA expertise
π£ Take Action Now!
π Contact a licensed customs broker + submit product specs + request HS Code pre-ruling
π Avoid surprise tariffs, delays, and penalties β protect your margins today!
β¨ Precision in Classification = Profit in Profitability!
πΌ Your productβs HS code is not just a number β itβs your bottom line.
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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.