polypropylene modified composite material
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3903905000 | 41.5% | CN | US | 官方文档 |
| 3903901000 | 41.5% | CN | US | 官方文档 |
| 3902300000 | 41.5% | CN | US | 官方文档 |
| 3902900050 | 41.5% | CN | US | 官方文档 |
| 3901905501 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🧪 Polypropylene Modified Composite Material
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: Do You Really Know "Polypropylene Modified Composite"?
Polypropylene (PP) Modified Composite Material refers to base polypropylene resin that has undergone chemical or physical modification (e.g., blending with impact modifiers, fillers like talc/glass fiber, or coupling agents) to enhance mechanical strength, heat resistance, or processability. In international trade, these materials are generally classified under Chapter 39 (Plastics and Articles Thereof) based on their polymer backbone and state.
Key Distinction:
- If the material is primarily Polypropylene-based (even if modified), it falls under Heading 3902 (Polymers of Propylene).
- If it is primarily Polyethylene-based, it falls under Heading 3901 (Polymers of Ethylene).
- If it is primarily Polystyrene-based, it falls under Heading 3903 (Polystyrene).
⚠️ Critical Note for US Imports (From China):
All polymer resins from China are subject to Section 301 tariffs (25%) and Section 122 tariffs (10%) in addition to the Most Favored Nation (MFN) base duty (6.5%). The total effective tariff rate is 41.5%. Misclassification can lead to severe penalties or delayed clearance.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Reference)
Based on the provided <DATA>, the specific HS codes depend on the base polymer type of the modified composite. Below is the breakdown for the three most common types of PP/PE/PS modified resins:
| HS Code | Product Description | Applicable Scenario | Polymer Base |
|---|---|---|---|
3902.30.00.00 |
Modified Polyolefin Resin - Propylene Copolymers | Polypropylene (PP) based composites (e.g., PP blended with EPDM, or PP/talc). Primary shape. | Propylene |
3902.90.00.50 |
Modified Polyolefin Resin - Other Polyolefins | PP homopolymers or other olefin polymers not classified under 3902.30. Primary shape. | Propylene/Olefins |
3903.90.50.00 |
Modified Polystyrene Resin | Polystyrene (PS) based composites (e.g., HIPS, ABS blends). Primary shape. | Styrene |
3903.90.10.00 |
Modified Polystyrene Resin - Other Styrene Polymers | Other Styrene polymers not classified under 3903.90.50. Primary shape. | Styrene |
3901.90.55.01 |
Modified Polyolefin Resin - Ethylene Polymers | Polyethylene (PE) based composites (e.g., LLDPE blends). Primary shape/raw material. | Ethylene |
🔍 Key Insight:
- "Modified" does not change the chapter (still Chapter 39). It stays within Heading 3901, 3902, or 3903 depending on the principal polymer.
- "Composite" in this context usually means blended/resin form, not a finished plastic article (which would be Chapter 39 or 40 depending on the article).
- Primary Shape/Resin is crucial. If sold as granules, pellets, or powder, it is Heading 3901–3903. If sold as pre-made parts (e.g., car bumpers), it is a different heading.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Current trade policies (Section 301 & 122)
🎯 1. 3902.30.00.00 – Propylene Copolymers (Modified PP)
| Item | Content |
|---|---|
| Base MFN Rate | 6.5% |
| Section 301 Surcharge | +25.0% (Trade Enhancement Act) |
| Section 122 Surcharge | +10.0% (China Specific Tariff) |
| Total Effective Rate | 41.5% |
| Calculation Basis | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible (Deny de minimis for Section 301/122 goods) |
| Legal Basis Path | USITC:3902.30.00.00 → FOOTNOTE:3902.30.00.00:25% → IEEPA:9903.01.24:10% |
📌 Explanation:
- 6.5%: Standard MFN duty for polypropylene resins.
- 25%: Section 301 tariff on "Plastics and articles thereof" (List 4A).
- 10%: Section 122 tariff applied to specific Chinese polymer imports.
- Total: 41.5%. This is a high-cost category. Must be factored into FOB/CIF pricing.
🎯 2. 3902.90.00.50 – Other Polyolefin Polymers (Modified PP Homopolymer)
| Item | Content |
|---|---|
| Base MFN Rate | 6.5% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Total Effective Rate | 41.5% |
| Calculation Basis | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:3902.90.00.50 → FOOTNOTE:3902.90.00.50:25% → IEEPA:9903.01.24:10% |
📌 Note:
- Same tariff structure as 3902.30.00.00.
- Ensure your supplier specifies if the PP is a copolymer (3902.30) or homopolymer (3902.90). Misclassification here is common.
🎯 3. 3903.90.50.00 – Modified Polystyrene Resins
| Item | Content |
|---|---|
| Base MFN Rate | 6.5% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Total Effective Rate | 41.5% |
| Calculation Basis | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:3903.90.50.00 → FOOTNOTE:3903.90.50.00:25% → IEEPA:9903.01.24:10% |
📌 Explanation:
- Polystyrene (PS) and its modifications (like HIPS) also fall under the 41.5% total tariff if originating from China.
- Common in packaging and consumer electronics housings.
🎯 4. 3901.90.55.01 – Ethylene Polymers (Modified PE)
| Item | Content |
|---|---|
| Base MFN Rate | 6.5% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Total Effective Rate | 41.5% |
| Calculation Basis | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:3901.90.55.01 → FOOTNOTE:3901.90.55.01:25% → IEEPA:9903.01.24:10% |
📌 Note:
- Polyethylene (PE) is the most common plastic. If modified, it still retains the 41.5% total rate.
- Often used in films, pipes, and injection molding.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Preparation Checklist (Must-Haves)
| Document | Required | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must state Polymer Base (PP, PE, PS), Modification Type (e.g., Glass Fiber 20%, Talc 30%), and State (Granules/Powder). |
| ✅ Certificate of Origin (CO) | ✔️ | Essential for proving Chinese origin (which triggers the 41.5% tariff). |
| ✅ Commercial Invoice | ✔️ | Clearly describe as "Modified [Polymer Name] Resin, Primary Shape". Avoid vague terms like "Plastic Material". |
| ✅ Packing List | ✔️ | Detail net/gross weight. Ensure no mixed HS codes in one shipment without clear segregation. |
| ✅ MSDS (Material Safety Data Sheet) | ✔️ | Required for chemical handling. Confirms no hazardous substances that would change classification (e.g., to Chapter 28 or 38). |
✅ 2. Declaration Tips (Key Mnemonic)
🔥 "Base Polymer First, Modification Second, Primary Shape is Key!"
| Situation | Correct Declaration | Wrong Practice |
|---|---|---|
| PP + Talc Filler | 3902.30.00.00 or 3902.90.00.50 |
Declare as "Mineral Filler" → Wrong Chapter |
| PS + Rubber (HIPS) | 3903.90.50.00 |
Declare as "Rubber Product" → Wrong Chapter |
| PE + Color Masterbatch | 3901.90.55.01 |
Split into "PE" and "Pigment" → Complex Clearance Risk |
| Pre-made Plastic Part | Not Chapter 39 (e.g., 3926.90) |
Declare as "Resin" → Misclassification |
📌 Critical:
- "Modified" means additives were mixed. The base polymer determines the HS code.
- If the material is not in primary shape (e.g., pre-formed sheets, pipes), do NOT use the codes above. Use Chapter 39 subheadings for articles (e.g., 3920, 3921, 3926).
✅ 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| Mixed Polymer Shipment | If a shipment contains both PP and PS resins, they must be declared separately with different HS codes. Do not average them. |
| "Engineered Plastic" Brand Names | Suppliers may use brand names (e.g., "Noryl", "Valox"). You must identify the chemical base (e.g., PES, PBT) to find the correct HS code. |
| Duty Drawback Eligibility | If the modified resin is used to manufacture articles that are exported, you may claim Duty Drawback on the 41.5% tariff paid. Consult a trade attorney. |
| Section 301 Exclusions | Check if the specific HS code/product had an exclusion during the 2025-2026 period. Most polymer resins are not excluded. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Certification/Notes |
|---|---|---|---|
| 🇺🇸 USA | 3902.30.00.00 etc. |
41.5% (6.5% Base + 25% S301 + 10% S122) | High compliance burden. Must declare Chinese origin. |
| 🇨🇳 China | 3902.30.00.00 etc. |
2.5% - 5% | Low import duty. No Section 301/122. |
| 🇪🇺 EU | 3902.30 etc. |
0% - 6.5% | Generally low. No major political tariffs like US. |
| 🇲🇽 Mexico | 3902.30.00.00 etc. |
0% - 5% | Under USMCA, if rules of origin are met. |
| 🇻🇳 Vietnam | 3902.30.00.00 etc. |
0% - 5% | Potential for lower tariffs if processed in VN. |
📌 Conclusion:
- The US is the most expensive market for modified polyolefin/polystyrene resins from China due to 41.5% total duty.
- Supply Chain Strategy: Consider in-king manufacturing (processing in China but using non-Chinese base resins) or diversifying sourcing to Vietnam/Mexico to avoid the 41.5% rate.
📌 VI. Common Errors & Pitfalls (Blood-Learn Lessons)
❌ Error 1: Declaring "Modified PP" as "Plastic Granules" without specifying polymer type.
👉 Consequence: CBP may reclassify to a higher duty rate or require additional information → Delay.
❌ Error 2: Ignoring the 10% Section 122 tariff.
👉 Consequence: Underpayment of duty → Back Taxes + Penalties.
❌ Error 3: Assuming "Composite" means a finished product.
👉 Consequence: If it's resin, it's Chapter 39. If it's a part, it's different. Misclassification leads to wrong duty rates.
❌ Error 4: Not declaring Chinese Origin accurately.
👉 Consequence: If origin is unclear, CBP may apply MFN rates (6.5%), but upon audit, will demand 41.5% plus interest.
✅ Correct Declaration Example:
"MODIFIED POLYPROPYLENE RESIN, PRIMARY SHAPE, IMPACT MODIFIED, FOR INJECTION MOLDING, HS 3902.30.00.00"
🎯 VII. Conclusion: Professional Declaration Saves Money!
🎯 Remember the Mnemonic:
🔹 "Base Polymer Dictates, Modification Adds Value, Primary Shape is Key!"
🔹 "41.5% is the US Price, Don't Let It Erase Your Margin!"
📌 Pro Tip:
If your product is shipped from a third country (e.g., Vietnam) but originates in China, it is still subject to the 41.5% US tariff. Always ensure true origin is documented.
For large volumes, apply for a Binding Ruling from CBP to lock in the HS code and duty rate.
📣 Immediate Action:
📞 Consult a licensed Customs Broker + Provide MSDS + Verify Polymer Base
🚀 Secure Your Supply Chain, Minimize Duties, Maximize Profit!
✨ Professional Customs Clearance Starts with Precise Classification!
💼 Your Every Cent of Cost Deserves Accurate Calculation!
用户评价
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。