Polyether Adhesive Mixture
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3907290000 | 41.5% | CN | US | Official Doc |
| 3506990000 | 37.1% | CN | US | Official Doc |
| 3824994900 | 41.5% | CN | US | Official Doc |
| 3506915000 | 37.1% | CN | US | Official Doc |
| 3824992900 | 41.5% | CN | US | Official Doc |
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π§ͺ Polyether Adhesive Mixture (The Chemical Glue)
π HS Code Classification & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy π I. Product Definition & Classification: What Exactly is "Polyether Adhesive"?
Polyether Adhesive Mixture is a chemical bonding agent based on polyether polymers. In international trade, it is primarily classified based on its chemical composition (polyether raw material) versus its end-use application (adhesive/glue). This dual nature creates classification ambiguity, leading to different tariff rates depending on how the customs authority interprets the product's primary characteristic.
β οΈ Key Distinction Point: - If viewed as a raw polymer material (unfinished chemical): It falls under Chapter 39 or Chapter 38 (Chemical products). - If viewed as a finished adhesive (prepared glue): It falls under Chapter 35 (Proteinaceous materials and modified proteins; glues).
π¦ II. HS Code Classification Details (2026 Latest Tariff Authoritative Comparison)
| HS Code | Product Description | Classification Basis | Total Tax Rate |
|---|---|---|---|
3907.29.00.00 |
Polyether Adhesive Mixture | Raw Material View: Polyether material fits "Other Polyethers" classification, categorized as chemical raw materials. | 41.5% |
3506.99.00.00 |
Polyether Adhesive Mixture | Finished Product View: Polyether is a synthetic chemical material; usage fits "Other Prepared Adhesives." | 37.1% |
3824.99.49.00 |
Polyether Adhesive Mixture | Chemical Preparations View: Adhesive usage fits; polyether is a hydrocarbon derivative. Classified under chemical products and preparations. | 41.5% |
3506.91.50.00 |
Polyether Adhesive Mixture | Prepared Glue View: Polyether is a polymer category; purpose is for preparing adhesives. | 37.1% |
3824.99.29.00 |
Polyether Adhesive Mixture | Mixture View: Polyether-based chemical substance; form is a mixture, fitting the definition of chemical products and preparations. | 41.5% |
π Key Reminder: - Chapter 35 (3506.xxxx) generally applies to prepared adhesives and has a lower base tariff (2.1%), resulting in a total rate of 37.1%. - Chapter 39 & 38 (3907.xxxx, 3824.xxxx) generally apply to raw materials or other chemical products and have a higher base tariff (6.5%), resulting in a total rate of 41.5%. - Crucial: Misclassification can lead to overpayment (41.5% vs 37.1%) or severe penalties for incorrect declaration.
π° III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
β Applicable Country: USA (US) β Origin: China (CN) β Effective Time: From November 10, 2025 (including subsequent imports)
π― 1. Group A: HS Codes 3907.29.00.00, 3824.99.49.00, 3824.99.29.00
(Classification Basis: Raw Material / Other Chemical Product)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (Ad Valorem) |
| Section 301 Surcharge | +25.0% (From USITC Footnote 9903.01.25) |
| IEEPA Surcharge | +10.0% (Targeting China/HK products, effective Nov 10, 2025) |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β IEEPA:9903.01.24 β USITC:3907.29.00.00 / 3824.99.49.00 / 3824.99.29.00 β FOOTNOTE:9903.88.01 |
π Explanation: - "Section 301 Surcharge 25%" comes from the "Additional Tariffs" under Section 301 of the US Trade Act; - "IEEPA 10%" is the additional tariff against China under the International Emergency Economic Powers Act; - Combined 41.5%, a high tariff rate, must be anticipated in advance!
π― 2. Group B: HS Codes 3506.99.00.00, 3506.91.50.00
(Classification Basis: Prepared Adhesive)
| Item | Content |
|---|---|
| Base Tariff | 2.1% (Ad Valorem) |
| Section 301 Surcharge | +25.0% (From USITC Footnote 9903.01.25) |
| IEEPA Surcharge | +10.0% (Targeting China/HK products, effective Nov 10, 2025) |
| Total Tax Rate | 37.1% |
| Tax Calculation | CIF Value Γ 37.1% |
| De Minimis Exemption | β Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β IEEPA:9903.01.24 β USITC:3506.99.00.00 / 3506.91.50.00 β FOOTNOTE:9903.88.01 |
π Note: - Both codes belong to "Prepared Adhesives" and have the same total tax rate; - Whether it is a "polyether glue," "polyurethane adhesive," or "modified protein adhesive," as long as it is prepared for adhesive use, it applies to Chapter 35.
π οΈ IV. Customs Clearance Practical Advice (Combat Anti-Pitfall Guide)
β 1. Preparation of Material List (Indispensable)
| Material | Must Provide | Description |
|---|---|---|
| β Product Specifications | βοΈ | Contains chemical composition (e.g., polyether content %), viscosity, curing agent type, shelf life. |
| β MSDS (Safety Data Sheet) | βοΈ | Critical for customs clearance. Proves it is a chemical mixture and aids in safety classification. |
| β Product Photos (Label) | βοΈ | Clearly shows model, brand, CAS numbers (if any), and warning labels. |
| β Usage Statement | βοΈ | Explicitly state: "Used as an adhesive/glue for bonding [Material A] and [Material B]." |
| β Commercial Invoice | βοΈ | Clearly mark "Prepared Adhesive" rather than just "Polyether." |
| β Certificate of Origin (CO) | βοΈ | If not Chinese origin, applicable for preferential tariff (though less likely for polyether). |
| β Packing List | βοΈ | Explain the relationship between main product and accessories, avoid split declaration. |
β 2. Declaration Tips (Key Mantra)
π₯ βFunction First, Raw Second. If Glue, Use 3506. If Raw, Use 3907/3824.β
| Situation | Correct Declaration Method | Wrong Practice |
|---|---|---|
| Prepared Adhesive (Ready-to-use) | 3506.99.00.00 or 3506.91.50.00 (37.1%) |
Misreporting as "Polyether" β 41.5% |
| Raw Polyether (Unmixed resin) | 3907.29.00.00 (41.5%) |
Misreporting as "Glue" β Potential penalty for incorrect value |
| Other Chemical Preparation | 3824.99.49.00 / 3824.99.29.00 (41.5%) |
Misreporting as "Glue" β Risk of audit |
| Mixtures | Depends on primary function | Split declaration β Each item taxed higher |
β 3. Handling Special Situations
| Situation | Handling Advice |
|---|---|
| Custom Mixture | Provide formula or percentage of polyether vs. other binders. If polyether is >50%, it may lean towards Ch 39. |
| Two-Part Adhesive | If component A is polyether resin and component B is hardener, declare as a set under 3506 if marketed as a glue system. |
| Industrial vs. Consumer | If for industrial use, emphasize "Prepared Adhesive" to justify Ch 35. |
| Chemical Name Variations | Use standard chemical names in description. Avoid vague terms like "Special Glue." |
π V. Global Major Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3506.99.00.00 |
37.1% (China-origin) | N/A | 41.5% if misclassified as raw material |
| π¨π³ China | 3506.99.00.00 |
5-10% (Est.) | CCC (if applicable) | No additional surcharges |
| πͺπΊ EU | 3506.91.50.00 |
0-6.5% | REACH + CLP | No Section 301/IEEPA equivalent |
| π¦πΊ Australia | 3506.99.00.00 |
5% | GHS | No additional surcharges |
| π―π΅ Japan | 3506.91.50.00 |
0-6% | JIS | No additional surcharges |
π Conclusion: - USA is the only market with high additional tariffs (Section 301 + IEEPA); - Chinese-origin polyether adhesives face high clearance costs in the US; suggest evaluating supply chain optimization or HS code accuracy to ensure
3506classification if applicable.
π VI. Common Errors & Pitfall Guide (Blood-Tea Lessons)
β Error 1: Declaring "Prepared Adhesive" as "Polyether Resin" π Consequence: Higher tariff (41.5% vs 37.1%) β Overpayment!
β Error 2: Declaring "Raw Polyether" as "Prepared Adhesive" π Consequence: Customs audit, potential penalty for misdeclaration β Delay or Return!
β Error 3: Providing no MSDS, only writing "Glue" π Consequence: Customs cannot verify chemical nature β Inspection Delay!
β Error 4: Using "Adhesive" as the only description without chemical basis π Consequence: Ambiguity leads to arbitrary classification by customs β Unpredictable Tax!
β Correct Approach:
"Prepared Adhesive, Polyether-Based, Two-Component System, For Industrial Bonding, Model XYZ, MSDS Provided"
π― VII. Conclusion: Professional Declaration, Save Time and Money!
π― Remember the Mantra:
πΉ "Function Dictates Code. Glue is 3506, Raw is 3907. 37.1% vs 41.5%, Small Diff, Big Impact!"
πΉ "HS Code Determines Fate, Tax Rate Differs by Points, One Step Error, Thousands in Penalties!"
π Tips:
If your polyether adhesive is originated in Vietnam, Mexico, Thailand, or Malaysia, you may apply for IEEPA Exemption, with a tariff as low as 0%~5%; Suggest applying for Advance Ruling (Pre-classification) in advance to avoid clearance risks.
π£ Take Action Now:
π Contact Professional Broker + Provide Product Specs + Apply for HS Code Advance Ruling
π Let your Polyether Adhesive, Smooth Customs, Efficient Global Export, Profit Maximize!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Cent of Your Cost Deserves Precise Calculation!
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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.