Natural Gas Based Shell Type Adhesive
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3506990000 | 37.1% | CN | US | 官方文档 |
| 3824994900 | 41.5% | CN | US | 官方文档 |
| 3824999397 | 40.0% | CN | US | 官方文档 |
| 3506915000 | 37.1% | CN | US | 官方文档 |
| 3907995050 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🧪 Natural Gas Based Shell Type Adhesive (Shellac/Resin-Based Adhesives)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Shell-Type Adhesive"?
A "Natural Gas Based Shell Type Adhesive" refers to chemical bonding agents derived from hydrocarbon precursors (often synthetic resins or modified shellac-like structures derived from natural gas feedstocks). In international trade, these are typically classified under Chapter 35 (Albuminoidal Substances) or Chapter 38 (Miscellaneous Chemical Products), depending on their primary functional attribute: whether they are primarily "adhesives" or "prepared chemical preparations."
⚠️ Key Distinction Point:
- If the product is primarily defined by its adhesive function and fits the description of "prepared adhesives" not elsewhere specified →归入 3506.99.00.00 or 3506.91.50.00.
- If the product is primarily defined as a chemical preparation/compound where the adhesive property is secondary or it is a complex resin formulation →归入 3824.99.49.00 or 3824.99.93.97.
- If it is a specific polyester/organic resin type derived from hydrocarbons →归入 3907.99.50.50.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Cross-Reference)
| HS Code | Product Description | Applicable Scenario | Key Classification Basis |
|---|---|---|---|
3506.99.00.00 |
Natural Gas Based Modified Adhesive, core material is adhesive, fits "prepared adhesive" attribute. | General industrial adhesives, modified synthetic adhesives. | Primary function: Adhesion. |
3824.99.49.00 |
Natural Gas Based Modified Adhesive, hydrocarbon material derived from natural gas, fits "prepared adhesive" use but classified as chemical prep. | Complex hydrocarbon-based bonding agents, non-standard chemical preparations. | Primary nature: Chemical preparation with adhesive use. |
3824.99.93.97 |
Natural Gas Based Modified Adhesive, belongs to chemical products and preparations, fits "other" category definition. | Generic chemical adhesives that don't fit specific sub-headings. | Broad chemical preparation category. |
3506.91.50.00 |
Natural Gas Based Modified Adhesive, based on hydrocarbon polymers, fits "other adhesives" attribute. | Hydrocarbon polymer-based bonding agents. | Polymer-based adhesive. |
3907.99.50.50 |
Hydrocarbon Shell-Type Binder, belongs to organic hydrocarbon compounds, fits "other polyester/organic resins" attribute. | Synthetic shellac-like resins or binders derived from organic hydrocarbons (polyesters). | Resin/Polmer classification rather than pure adhesive. |
🔍 Key Reminder:
- Chapter 35 (3506) is preferred if the product is clearly an adhesive in its final form.
- Chapter 38 (3824) is used if the product is a chemical mixture/preparation where the adhesive quality is one of several properties.
- Chapter 39 (3907) is used if the product is essentially a resin or polymer (like a synthetic shellac) used as a binder.
💰 III. 2026 Latest Tariff Rate Details (Including Surtaxes & Policy Additions)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: 2025/2026 (Includes subsequent imports)
🎯 1. 3506.99.00.00 —— Natural Gas Based Modified Adhesive (Prepared Adhesive)
| Item | Content |
|---|---|
| Base Tariff Rate | 2.1% (Ad Valorem) |
| Section 301 Surtax | +25.0% (Under USITC Footnote for Chapter 35/38) |
| Section 122 Tariff | +10.0% (Specific to certain chemical/adhesive categories) |
| Total Effective Rate | 37.1% |
| Tax Calculation | CIF Value × 37.1% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3506.99.00.00 → Section 301: +25% → Section 122: +10% |
📌 Explanation:
- The 2.1% is the standard MFN duty for prepared adhesives.
- The 25% is the standard Section 301 surtax on Chinese chemical products.
- The 10% is an additional tariff under Section 122 (often applied to specific chemical formulations or anti-dumping/countervailing duty contexts depending on specific rulings).
- Total 37.1% is a high tariff, requiring careful cost modeling.
🎯 2. 3824.99.49.00 —— Natural Gas Based Modified Adhesive (Chemical Preparation)
| Item | Content |
|---|---|
| Base Tariff Rate | 6.5% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3824.99.49.00 → Section 301: +25% → Section 122: +10% |
📌 Note:
- The base rate is higher (6.5%) because "Miscellaneous Chemical Products" often carry higher base duties than "Adhesives" in Chapter 35.
- Surtaxes remain the same.
- Total 41.5% is higher than the Chapter 35 classification.
🎯 3. 3824.99.93.97 —— Natural Gas Based Modified Adhesive (Other Chemical Prep)
| Item | Content |
|---|---|
| Base Tariff Rate | 5.0% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Rate | 40.0% |
| Tax Calculation | CIF Value × 40.0% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3824.99.93.97 → Section 301: +25% → Section 122: +10% |
📌 Note:
- Slightly lower base rate (5.0%) than3824.99.49.00.
- Total 40.0% is still very high.
🎯 4. 3506.91.50.00 —— Natural Gas Based Modified Adhesive (Hydrocarbon Polymer Based)
| Item | Content |
|---|---|
| Base Tariff Rate | 2.1% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Rate | 37.1% |
| Tax Calculation | CIF Value × 37.1% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3506.91.50.00 → Section 301: +25% → Section 122: +10% |
📌 Note:
- Same total rate as3506.99.00.00.
- This code is more specific to hydrocarbon polymer-based adhesives. Use if the product's polymer nature is the defining feature.
🎯 5. 3907.99.50.50 —— Hydrocarbon Shell-Type Binder (Organic Resin)
| Item | Content |
|---|---|
| Base Tariff Rate | 6.5% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3907.99.50.50 → Section 301: +25% → Section 122: +10% |
📌 Note:
- Classified as a resin/polymer (Chapter 39), hence higher base rate (6.5%).
- Total 41.5% is the highest among all options.
- Only use if the product is legally/chemically defined as a resin rather than an adhesive.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
✅ 1. Preparation Checklist (All Required)
| Document | Mandatory | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition, hydrocarbon source, adhesive properties, and shell-type structure. |
| ✅ Material Safety Data Sheet (MSDS/SDS) | ✔️ | Required for chemical products. Must confirm flammability and chemical nature. |
| ✅ Product Photos (Label/Packaging) | ✔️ | Show "Adhesive," "Resin," or "Binder" clearly. Avoid ambiguous terms. |
| ✅ Commercial Invoice | ✔️ | Must accurately describe the product as "Natural Gas Based Modified Adhesive" or "Hydrocarbon Resin Binder." |
| ✅ Packing List | ✔️ | Detail net/gross weight, volume. |
| ✅ Country of Origin Certificate | ✔️ | Essential for applying surtaxes. |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Function First, Chemical Second, Name Precise, Tax Rate Clear!"
| Scenario | Correct Declaration | Wrong Action |
|---|---|---|
| Primary Use: Bonding materials | Use Chapter 35 (3506.x.x.x.x) |
Misdeclare as "Chemical Prep" → Higher tax (41.5%) |
| Primary Use: Resin/Polymer Component | Use Chapter 39 (3907.x.x.x.x) |
Misdeclare as "Adhesive" → Potential misclassification penalty |
| Complex Mixture/Preparation | Use Chapter 38 (3824.x.x.x.x) |
Over-simplify as "Glue" → Customs audit risk |
| Shell-Type Specific | Highlight "Shell-Type" or "Binder" if resin-based | Hide "Shell-Type" → May be classified as generic adhesive |
✅ 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| OEM Custom Adhesive | Provide client specs + SDS. Clearly state if it's a "preparation" vs. "resin." |
| "Shell-Type" Ambiguity | If it mimics natural shellac but is synthetic, argue for 3506 (Adhesive) if bonding is primary. If it's a resin intermediate, use 3907. |
| High Value Product | Consider Advance Ruling from CBP to fix HS Code and avoid surprise duties. |
| Origin Diversification | If shipped from Vietnam/Mexico, check for IEEPA/USMCA exemptions. Tariffs may drop to 0-5%. |
🌍 V. Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3506.99.00.00 |
37.1% | SDS, FCC (if electronic) | Highest surtaxes apply. |
| 🇨🇳 China | 3506.99.00.00 |
~6-13% | CCC (if applicable) | Lower base tariffs, no Section 301. |
| 🇪🇺 EU | 3506.91.00 |
0-6.5% | REACH, CLP | Lower base rates, no 25% surtax. |
| 🇬🇧 UK | 3506.91.00 |
0-6.5% | UK REACH | Post-Brexit rules apply. |
| 🇦🇺 Australia | 3506.91.00 |
5% | GAD/TGA (if medical) | No major surtaxes. |
📌 Conclusion:
- USA is the most expensive market due to Section 301 and Section 122 tariffs.
- EU/UK/Australia offer significantly lower entry costs.
- China-origin goods face a 37.1%-41.5% barrier in the US. Supply chain diversification is highly recommended.
📌 VI. Common Mistakes & Pitfall Guide (Lessons from Blood & Tears)
❌ Mistake 1: Declaring a Resin Binder as a simple Adhesive
👉 Consequence: If customs determines it's a resin, they may reclassify to 3907 (41.5%) or penalize for misdeclaration.
✅ Fix: Provide SDS proving chemical nature.
❌ Mistake 2: Ignoring Section 122 Tariff
👉 Consequence: Many importers forget the 10% add-on, leading to underpayment penalties.
✅ Fix: Always calculate Base + 301 (25%) + 122 (10%).
❌ Mistake 3: Vague Description ("Glue")
👉 Consequence: Customs examiners may choose the highest tariff code arbitrarily.
✅ Fix: Use precise terms: "Natural Gas Based Hydrocarbon Polymer Adhesive, Shell-Type, Modified."
❌ Mistake 4: Assuming De Minimis Applies
👉 Consequence: Chemical products from China are excluded from de minimis.
✅ Fix: Prepare full entry paperwork even for small shipments.
🎯 VII. Conclusion: Professional Declaration Saves Money!
🎯 Remember the Mantra:
🔹 "Adhesive = 35 (37.1%), Resin = 39 (41.5%), Prep = 38 (40-41.5%). Total ~40% in US!"
🔹 "Section 301 + 122 are non-negotiable. Plan for high costs."
🔹 "SDS is your best friend. Prove the chemical nature."
📌 Pro Tip:
If your product can be classified under 3506.91.50.00 (Hydrocarbon Polymer Adhesive), it is often the most favorable for adhesive-specific products (37.1% total).
If it is a complex preparation, 3824.99.93.97 (40.0%) might be slightly better than 3824.99.49.00 (41.5%).
Always seek a CBP Advance Ruling to lock in the correct code before shipping.
📣 Immediate Action:
📞 Contact a licensed customs broker.
📄 Provide SDS and Product Specifications.
🚀 Apply for Pre-Landing Analysis to minimize customs examination delays.
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Margins Depend on Correct Tariff Codes!
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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。