polyether adhesive mixture
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3907290000 | 41.5% | CN | US | 官方文档 |
| 3506990000 | 37.1% | CN | US | 官方文档 |
| 3824994900 | 41.5% | CN | US | 官方文档 |
| 3506915000 | 37.1% | CN | US | 官方文档 |
| 3824992900 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🧪 Polyether Adhesive Mixture (The Chemical Glue)
🌐 HS Code Classification & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy 📌 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.
⚠️ 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).
📦 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% |
🔍 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.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
✅ Applicable Country: USA (US) ✅ Origin: China (CN) ✅ Effective Time: From November 10, 2025 (including subsequent imports)
🎯 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 × 41.5% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3907.29.00.00 / 3824.99.49.00 / 3824.99.29.00 → FOOTNOTE:9903.88.01 |
📌 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!
🎯 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 × 37.1% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3506.99.00.00 / 3506.91.50.00 → FOOTNOTE:9903.88.01 |
📌 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.
🛠️ IV. Customs Clearance Practical Advice (Combat Anti-Pitfall Guide)
✅ 1. Preparation of Material List (Indispensable)
| Material | Must Provide | Description |
|---|---|---|
| ✅ Product Specifications | ✔️ | Contains chemical composition (e.g., polyether content %), viscosity, curing agent type, shelf life. |
| ✅ MSDS (Safety Data Sheet) | ✔️ | Critical for customs clearance. Proves it is a chemical mixture and aids in safety classification. |
| ✅ Product Photos (Label) | ✔️ | Clearly shows model, brand, CAS numbers (if any), and warning labels. |
| ✅ Usage Statement | ✔️ | Explicitly state: "Used as an adhesive/glue for bonding [Material A] and [Material B]." |
| ✅ Commercial Invoice | ✔️ | Clearly mark "Prepared Adhesive" rather than just "Polyether." |
| ✅ Certificate of Origin (CO) | ✔️ | If not Chinese origin, applicable for preferential tariff (though less likely for polyether). |
| ✅ Packing List | ✔️ | Explain the relationship between main product and accessories, avoid split declaration. |
✅ 2. Declaration Tips (Key Mantra)
🔥 “Function First, Raw Second. If Glue, Use 3506. If Raw, Use 3907/3824.”
| 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" → 41.5% |
| Raw Polyether (Unmixed resin) | 3907.29.00.00 (41.5%) |
Misreporting as "Glue" → Potential penalty for incorrect value |
| Other Chemical Preparation | 3824.99.49.00 / 3824.99.29.00 (41.5%) |
Misreporting as "Glue" → Risk of audit |
| Mixtures | Depends on primary function | Split declaration → Each item taxed higher |
✅ 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." |
🌍 V. Global Major Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3506.99.00.00 |
37.1% (China-origin) | N/A | 41.5% if misclassified as raw material |
| 🇨🇳 China | 3506.99.00.00 |
5-10% (Est.) | CCC (if applicable) | No additional surcharges |
| 🇪🇺 EU | 3506.91.50.00 |
0-6.5% | REACH + CLP | No Section 301/IEEPA equivalent |
| 🇦🇺 Australia | 3506.99.00.00 |
5% | GHS | No additional surcharges |
| 🇯🇵 Japan | 3506.91.50.00 |
0-6% | JIS | No additional surcharges |
📌 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.
📌 VI. Common Errors & Pitfall Guide (Blood-Tea Lessons)
❌ Error 1: Declaring "Prepared Adhesive" as "Polyether Resin" 👉 Consequence: Higher tariff (41.5% vs 37.1%) → Overpayment!
❌ Error 2: Declaring "Raw Polyether" as "Prepared Adhesive" 👉 Consequence: Customs audit, potential penalty for misdeclaration → Delay or Return!
❌ Error 3: Providing no MSDS, only writing "Glue" 👉 Consequence: Customs cannot verify chemical nature → Inspection Delay!
❌ Error 4: Using "Adhesive" as the only description without chemical basis 👉 Consequence: Ambiguity leads to arbitrary classification by customs → Unpredictable Tax!
✅ Correct Approach:
"Prepared Adhesive, Polyether-Based, Two-Component System, For Industrial Bonding, Model XYZ, MSDS Provided"
🎯 VII. Conclusion: Professional Declaration, Save Time and Money!
🎯 Remember the Mantra:
🔹 "Function Dictates Code. Glue is 3506, Raw is 3907. 37.1% vs 41.5%, Small Diff, Big Impact!"
🔹 "HS Code Determines Fate, Tax Rate Differs by Points, One Step Error, Thousands in Penalties!"
📌 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.
📣 Take Action Now:
📞 Contact Professional Broker + Provide Product Specs + Apply for HS Code Advance Ruling
🚀 Let your Polyether Adhesive, Smooth Customs, Efficient Global Export, Profit Maximize!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Cent of Your Cost Deserves Precise Calculation!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。