High Purity Polyester Resin Raw Material
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3907992000 | 35.0% | CN | US | 官方文档 |
| 3907912000 | 35.0% | CN | US | 官方文档 |
| 3907995050 | 41.5% | CN | US | 官方文档 |
| 3903110000 | 41.5% | CN | US | 官方文档 |
| 3903190000 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🏭 High Purity Polyester Resin Raw Materials
🌐 HS Code Classification & Customs Clearance Guide | 2026 Tariff Analysis | Strategic Import Strategy
📌 I. Product Definition & Classification: What Exactly Is "High Purity Polyester Resin"?
Polyester resin raw materials are fundamental building blocks in the chemical industry, widely used in manufacturing unsaturated polyester resins, polymers, and composite materials. In international trade, classification depends strictly on the chemical structure and physical form (primary shape vs. finished product).
⚠️ Critical Distinction:
- General Polyester (Unsaturated): Typically falls under 3907. Specifically, if it is unsaturated, it goes to 3907.91; if it is a different type of primary polyester, it may fall under 3907.99.
- Polystyrene (PS): Despite similar polymer uses, Polystyrene is chemically distinct and falls under 3903. Do not confuse Polyester with Polystyrene!
- Polyether Resins: These are ether-based, not ester-based, and fall under 3907.21.
For "High Purity Polyester Resin Raw Material", the most likely classifications are within the 3907 series, depending on whether it is unsaturated.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority)
Based on the provided data, here are the precise HS codes for polyester-related raw materials and related polymers often confused with them:
| HS Code | Product Description | Summary from Data | Primary Form |
|---|---|---|---|
3907.99.20.00 |
High Purity Polyester Resin Raw Material | Classified as a primary product of the polyester class | Primary Shape |
3907.91.20.00 |
High Purity Polyester Resin Raw Material | Classified as Unsaturated Polyester in Primary Shape | Unsaturated Primary |
3903.11.00.00 |
High Purity Polystyrene Resin | Primary form of Polystyrene (NOT polyester) | Primary Shape |
3903.19.00.00 |
High Purity Polystyrene Resin | Primary product attributes of Polystyrene | Primary Product |
3907.21.00.00 |
High Purity Polyether Resin Raw Material | Polyether resin in original form | Original Form |
🔍 Key Insight:
- If your material is unsaturated polyester (commonly used in fiberglass composites, boat hulls, etc.), use3907.91.20.00.
- If it is a general polyester (e.g., PET or PBT raw material) not specifically unsaturated, use3907.99.20.00.
- Warning: Do not use Polystyrene (3903) codes for polyester. They are chemically different and may trigger additional regulatory scrutiny if misdeclared.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Current rates apply (Note: Specific "122 Clause" and Section 301/IEEPA tariffs apply)
🎯 1. 3907.91.20.00 – Unsaturated Polyester in Primary Shape
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Ad Valorem) |
| Section 301 Tariff | +25.0% (Additional Tariff for Chinese Origin) |
| "122 Clause" Tariff | +10.0% (Specific trade action tariff) |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Eligible (High value goods typically excluded) |
| Legal Path | USITC:3907.91.20.00 → Section 301: Footnote 9903.88.01 → 122 Clause |
📌 Explanation:
- Base 0%: The US has a low base duty on many chemical precursors.
- 25% Section 301: Standard additional tariff on Chinese chemical products.
- 10% 122 Clause: Additional specific tariff under Section 122 or related trade actions.
- Total 35%: This is a significant cost factor for imports. Budget accordingly.
🎯 2. 3907.99.20.00 – General Polyester Primary Product
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Tariff | +25.0% |
| "122 Clause" Tariff | +10.0% |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Path | USITC:3907.99.20.00 → Section 301 → 122 Clause |
📌 Note:
- Same tariff structure as unsaturated polyester.
- Ensure the Technical Data Sheet (TDS) clearly states "Polyester" and not "Polystyrene" or "Polyether" to avoid misclassification penalties.
⚠️ Related Codes for Comparison (Do Not Confuse)
| HS Code | Product | Total Tax | Why Different? |
|---|---|---|---|
3903.11.00.00 / 3903.19.00.00 |
Polystyrene | 41.5% | Base rate is 6.5% (not 0%), plus 25% + 10%. |
3907.21.00.00 |
Polyether | 41.5% | Base rate is 6.5%, plus 25% + 10%. |
🔴 Critical Warning:
- If you misdeclare Polyester as Polystyrene or Polyether, you may face 41.5% tax instead of 35%.
- Conversely, if you misdeclare Polystyrene as Polyester, you risk underpayment and potential fines.
- Chemical composition matters! Provide MSDS (Material Safety Data Sheet) and GC/MS (Gas Chromatography-Mass Spectrometry) reports to prove identity.
🛠️ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
✅ 1. Required Documentation Checklist
| Document | Required? | Purpose |
|---|---|---|
| ✅ MSDS / SDS | ✔️ | Proves chemical composition and safety hazards. |
| ✅ COA (Certificate of Analysis) | ✔️ | Confirms "High Purity" and chemical structure (e.g., unsaturated vs. saturated). |
| ✅ Technical Data Sheet (TDS) | ✔️ | Details physical form (granules, liquid, powder) and application. |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Polyester Resin Raw Material" and HS Code. |
| ✅ Bill of Lading / Air Waybill | ✔️ | Standard shipping documents. |
| ✅ Import License (If Applicable) | ✔️ | Some chemical precursors may require EPA or other agency reviews. |
| ✅ Proof of Origin | ✔️ | To confirm Chinese origin and apply correct additional tariffs. |
✅ 2. Declaration Strategy
🔥 Golden Rule: "Accurate Chemical Name, Clear Composition, Correct HS Code!"
| Scenario | Correct Declaration | Mistake to Avoid |
|---|---|---|
| Unsaturated Polyester | "Unsaturated Polyester Resin, Primary Shape, High Purity" | Calling it "Polystyrene" or "Plastic Pellets" |
| General Polyester | "Polyester Resin Raw Material, Primary Form" | Using vague terms like "Chemical Raw Material" |
| Mixed Shipment | Separate line items for Polyester, Polystyrene, Polyether | Combining into one line → High risk of audit |
| High Purity | Specify purity level (e.g., >99%) in description | Ignoring purity → May affect classification |
✅ 3. Special Cases & Tips
| Situation | Recommendation |
|---|---|
| High Purity Claim | Provide COA showing purity >99%. Higher purity may not change HS code but supports value declaration. |
| Liquid vs. Solid | Specify state (granules, pellets, liquid). Some subcodes differentiate by form. |
| Chemical Reactions | If the resin is intended for immediate polymerization, still declare as raw material. |
| Origin Labeling | Clearly mark "Made in China" to avoid origin fraud allegations. |
🌍 V. Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3907.91.20.00 or 3907.99.20.00 |
35.0% | EPA TSCA, MSDS | High additional tariffs; strict chemical reporting. |
| 🇨🇳 China | 3907.91.00.00 |
Varies (Check Local) | REACH (if exporting from China) | Domestic trade may have different rates. |
| 🇪🇺 EU | 3907.91.00 |
~6.5% | REACH Registration | No Section 301 tariffs; REACH compliance is critical. |
| 🇦🇺 Australia | 3907.91.00 |
~5% | AICIS | Lower tariffs but strict chemical inventory checks. |
| 🇯🇵 Japan | 3907.91.00 |
~6.0% | Chemical Substances Control Law | Moderate tariffs; focus on safety data. |
📌 Conclusion:
- USA has the highest effective tariff (35%) due to additional clauses.
- EU/Asia have lower base tariffs but require chemical compliance (REACH, AICIS, etc.).
- Strategy: For US imports, budget for 35% tax. Consider supply chain diversification if costs are prohibitive.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Mistake 1: Declaring "Polyester" as "Plastic Pellets"
👉 Result: Unclear classification → Delays, potential reclassification to higher duty rate.
❌ Mistake 2: Confusing Polyester with Polystyrene
👉 Result: Wrong HS code → 41.5% vs 35% tax difference + potential penalties.
❌ Mistake 3: Omitting "High Purity" or Chemical Spec in Description
👉 Result: Customs may reject declaration or request additional testing → Delays.
❌ Mistake 4: Not Providing MSDS/COA
👉 Result: Customs cannot verify chemical identity → Hold shipment for inspection.
✅ Correct Practice:
"High Purity Unsaturated Polyester Resin, Primary Shape, Granules, Purity >99%, Model XYZ, MSDS Available"
🎯 VII. Conclusion: Professional Declaration, Cost Control, Efficiency!
🎯 Remember the Key Takeaway:
🔹 "Polyester is 35%, Polystyrene is 41.5% — Know your chemistry!"
🔹 "Documentation is key: MSDS, COA, TDS — Avoid delays with proof!"
🔹 "HS Code 3907.91/99 — The right choice for polyester raw materials!"
📌 Pro Tip:
If your product is highly specialized (e.g., epoxy-modified polyester), consult a customs broker for Advance Ruling to ensure correct classification.
For US imports, budget for 35% total tax and factor this into your pricing strategy.
📣 Immediate Action:
📞 Contact a Licensed Customs Broker
📄 Prepare MSDS, COA, and TDS
🔍 Verify HS Code:3907.91.20.00or3907.99.20.00
🚀 Ensure smooth customs clearance and cost efficiency!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Dollar Saved is a Dollar Earned — Get the HS Code Right!
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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。