Polymer Special Heat Stabilizer Base
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3901101000 | 41.5% | CN | US | 官方文档 |
| 3907100000 | 41.5% | CN | US | 官方文档 |
| 3901105010 | 41.5% | CN | US | 官方文档 |
| 3907995010 | 41.5% | CN | US | 官方文档 |
| 3911200000 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
⚗️ Polymer Special Heat Stabilizer Base (Polymer Raw Materials)
🌐 HS Code Classification & Customs Clearance Guide | 2026 Tax Policy Breakdown | Strategic Import Strategy
📌 I. Product Definition & Classification: What is "Polymer Special Heat Stabilizer Base"?
"Polymer Special Heat Stabilizer Base" refers to primary shape polymer materials used specifically as heat stabilizers or base resins in polymer processing. In international trade, these are classified under Chapter 39 (Plastics and Articles Thereof). The key distinction lies in the chemical composition and polymer type.
⚠️ Critical Classification Points:
- If the material is an Ethylene Polymer in primary shape → Classified under 3901.
- If the material is a Polyacetal, Polyether, or Polyester Resin in primary shape → Classified under 3907.
- If the material is a Specific Organophosphorus Polymer (e.g., poly(1,3-benzenedimethyl phosphonate)) → Classified under 3911.
- "Primary Shape" means powders, granules, flakes, or liquids, not finished molded parts.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Match)
Based on your input data, the following HS Codes apply depending on the specific polymer chemistry:
| HS Code | Product Summary (Chinese/English) | Polymer Type | Form |
|---|---|---|---|
3901.10.10.00 |
Polymer base material, Ethylene Polymer, primary shape | Ethylene | Primary (Granules/Powder) |
3901.10.50.10 |
Polymer base material, Ethylene Polymer, primary shape | Ethylene | Primary (Granules/Powder) |
3907.10.00.00 |
Polymer base material, Polyacetal/Polyether Resins, primary shape | Polyacetal/Polyether | Primary (Granules/Powder) |
3907.99.50.10 |
Polymer base material, Polyester Class, primary shape | Polyester | Primary (Granules/Powder) |
3911.20.00.00 |
Polymer base material, Poly(1,3-benzenedimethyl phosphonate) etc., primary shape | Organophosphorus Polymer | Primary (Granules/Powder) |
🔍 Key Distinction:
- 3901: Specifically for Ethylene Polymers (Polyethylene).
- 3907: For other thermoplastics like Polyacetals (POM), Polyethers (PEO/PPO), and Polyesters (PET/PBT).
- 3911: For complex organophosphorus polymers, often used as specialized stabilizers or flame retardants.
💰 III. 2026 Latest Tariff Rate Details (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Ongoing (Includes Section 301 & IEEPA surcharges)
🎯 1. Ethylene Polymers (3901.10.10.00 & 3901.10.50.10)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Section 301 Surcharge | +25.0% (USITC Footnote 9903.88.01) |
| Section 122 / IEEPA Surcharge | +10.0% (China-specific emergency powers) |
| Total Effective Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption? | ❌ NO (Deny de minimis for these HS codes) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3901.10.x.x → FOOTNOTE:9903.88.01 |
📌 Explanation:
- The 6.5% is the standard Most Favored Nation (MFN) rate.
- The 25% is the additional duty imposed under Section 301 of the Trade Act of 1974 against Chinese imports.
- The 10% is an additional surcharge under Section 122 or related IEEPA authorities targeting specific Chinese chemical inputs.
- Total: 41.5%. This is a high-cost import category.
🎯 2. Polyacetal/Polyether Resins (3907.10.00.00)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| Section 301 Surcharge | +25.0% |
| Section 122 / IEEPA Surcharge | +10.0% |
| Total Effective Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption? | ❌ NO |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3907.10.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- Same tariff structure as Ethylene polymers.
- Applies to POM (Acetal), PBT, and other engineering plastics in primary form.
🎯 3. Polyester Class (3907.99.50.10)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| Section 301 Surcharge | +25.0% |
| Section 122 / IEEPA Surcharge | +10.0% |
| Total Effective Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption? | ❌ NO |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3907.99.50.10 → FOOTNOTE:9903.88.01 |
📌 Note:
- Applies to specific polyester resues used in chemical intermediates or specialized applications.
🎯 4. Organophosphorus Polymers (3911.20.00.00)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| Section 301 Surcharge | +25.0% |
| Section 122 / IEEPA Surcharge | +10.0% |
| Total Effective Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption? | ❌ NO |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3911.20.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- Often used as flame retardants or heat stabilizers in advanced polymers.
- Same high tariff burden due to Chinese origin.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
✅ 1. Required Documentation Checklist (Mandatory)
| Document | Required? | Notes |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must specify polymer type (Ethylene, Polyester, etc.), molecular weight, melt flow index. |
| ✅ Certificate of Origin (CO) | ✔️ | Must state "Made in China" if applicable. Essential for surcharge application. |
| ✅ Commercial Invoice | ✔️ | Clearly state "Primary Shape Polymer" and HS Code. Avoid vague terms like "Stabilizer" without chemical context. |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Required for chemical imports. Must show no hazardous class violations. |
| ✅ Bill of Lading / Air Waybill | ✔️ | Confirm packaging type (e.g., 25kg bags, ton bags). |
✅ 2. Declaration Tips (Key Mnemonic)
🔥 "Specify Chemistry, Not Function; Primary Shape, Not Finished Part!"
| Scenario | Correct Declaration | Wrong Declaration |
|---|---|---|
| Ethylene-based heat stabilizer base | 3901.10.10.00 - Ethylene Polymer, Primary Shape |
"Heat Stabilizer Additive" → Risk of misclassification |
| Polyester resin for processing | 3907.99.50.10 - Polyester, Primary Shape |
"Plastic Granules" → Too vague |
| Organophosphorus polymer | 3911.20.00.00 - Poly(1,3-benzenedimethyl phosphonate) |
"Flame Retardant" → May be classified under Chapter 38, not 39 |
⚠️ Warning:
- Do not declare as "Chemical Additives" (Chapter 38) if the product is a primary polymer resin.
- Do not declare as "Finished Plastic Parts" (Chapter 39 subheadings 3926-3926) if it is in granular/powder form.
✅ 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Polymer | Provide customer PO + technical datasheet showing polymer type. |
| Mixed Shipment | Declare each HS code separately. Do not bundle under one code. |
| Small Quantity (< $800) | NO DE MINIMIS EXEMPTION. Even small samples are subject to 41.5% tax. |
| Non-Chinese Origin | If from Vietnam/Malaysia, provide Certificate of Origin to avoid 25% + 10% surcharges. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3901.10.10.00 etc. |
41.5% (Base 6.5% + 25% + 10%) | None specific | High barrier; consider supply chain diversification. |
| 🇨🇳 China | 3901.10.10.00 etc. |
5.0 - 6.5% | None | Import into China has lower taxes. |
| 🇪🇺 EU | 3901.10.10 etc. |
0% - 2.5% (if MFN) | REACH | REACH registration required for volumes >1 ton/year. |
| 🇦🇺 Australia | 3901.10.10 etc. |
5.0% | ADR | No major surcharges. |
| 🇯🇵 Japan | 3901.10.10 etc. |
0% - 2.0% | JIS | FTA benefits may apply if non-Chinese origin. |
📌 Conclusion:
- USA is the most expensive market for these polymer imports from China.
- EU & Japan have lower tariffs but strict chemical registration (REACH in EU).
- Supply Chain Strategy: Consider sourcing from non-China origins (e.g., Korea, Japan, USA) to avoid Section 301 and IEEPA surcharges.
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Declaring as "Chemical Stabilizer" (Chapter 38)
👉 Consequence: Misclassification → Penalty + Back Duties.
👉 Correction: If it is a primary polymer resin, it belongs in Chapter 39.
❌ Error 2: Using "Plastic Additive" as Product Name
👉 Consequence: Customs may reject or audit.
👉 Correction: Use precise chemical name (e.g., "Low-Density Polyethylene Resin").
❌ Error 3: Ignoring Section 122 / IEEPA 10% Surcharges
👉 Consequence: Underpaying duties → Seizure or Fine.
👉 Correction: Always include 10% surcharge in cost calculations for Chinese-origin polymers.
❌ Error 4: Claiming De Minimis Exemption for Small Shipments
👉 Consequence: Package detained → Storage fees + Tax payment.
👉 Correction: No de minimis for these HS codes from China.
✅ Correct Declaration Example:
"POLYETHYLENE RESIN, LOW DENSITY, PRIMARY SHAPE, GRANULAR, HS CODE 3901.10.10.00, ORIGIN: CHINA"
🎯 VII. Conclusion: Professional Declaration, Cost Efficiency!
🎯 Remember the Mantra:
🔹 "Primary Shape, Chapter 39; Section 301 + IEEPA = 41.5%; No De Minimis!"
🔹 "HS Code Determines Tax, Mistake Costs Thousands, Declare Precisely!"
📌 Pro Tip:
If your polymer base is originally sourced from Vietnam, Malaysia, or Japan, you can apply for preferential tariff treatment (0% - 2.5%) and avoid the 35% surcharges.
Recommend pre-classification ruling (Advance Ruling) from US CBP to mitigate audit risks.
📣 Immediate Action:
📞 Contact a licensed customs broker + Provide TDS (Technical Data Sheet) + Apply for HS Code Advance Ruling
🚀 Ensure smooth customs clearance, control costs, and optimize your supply chain!
✨ Professional Customs Clearance Starts with Precise Classification!
💼 Every Cent of Your Cost Deserves to be Calculated Precisely!
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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。