Polyester Flame Retardant Foil
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3921904010 | 39.2% | CN | US | 官方文档 |
| 3921904090 | 39.2% | CN | US | 官方文档 |
商品图片
AI分析
🛡️ Polyester Flame Retardant Foil (Flexible Reinforced Plastics)
🌐 HS Code Reference & Customs Clearance Guide | 2024/2025 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: What Exactly Is "Polyester Flame Retardant Foil"?
This product is a composite material falling under Chapter 39 (Plastics and Articles Thereof). It is not a simple plastic film, nor is it a standalone textile. It is a flexible plastic sheet/film reinforced with paper.
Key Composition: 1. Matrix: Polyester (A type of plastic/polymer). 2. Reinforcement: Paper (Providing structural integrity and fire-resistant backing). 3. Function: Flame Retardant (Added chemical treatment or inherent property). 4. Form: Foil/Sheet/Film (Flexible, not rigid plates).
⚠️ Critical Classification Logic:
- If the paper is merely "coated" but not structurally reinforcing the plastic sheet in a laminated composite manner, it might fall under different subheadings. However, "Flexible Reinforced with paper" is the specific legal description for laminates where paper and plastic are bonded to form a single flexible unit.
- Do NOT classify as 3920 (Other plates, sheets, film, foil and strip) if it contains paper reinforcement, unless the paper is negligible. The specific subheading 3921.90.40 explicitly covers "Other... Flexible Reinforced with paper".
📦 II. HS Code Classification Details (Based on Provided DATA)
According to the provided data, there are two potential HS Codes for this product, distinguished by whether it is specifically "Reinforced with paper" or "Other".
| HS Code | Product Description | Tax Rate (China Origin → US) | Key Differentiator |
|---|---|---|---|
| 3921.90.40.10 | Flexible Reinforced with paper | 29.2% (Base: 4.2% + Additional: 25.0%) |
✅ Primary Candidate if the product is a laminate of polyester film + paper layer. This is the most accurate description for "Polyester Flame Retardant Foil" if paper is a structural component. |
| 3921.90.40.90 | Flexible Other | 0.0% (Base: 0.0% + Additional: 0.0%) |
❌ Likely Incorrect if paper is present. This code is for "Other" flexible plastic sheets/films without paper reinforcement. Misclassifying a paper-reinforced product here is a high-risk error. |
🔍 Expert Analysis:
- "Polyester Flame Retardant Foil" often implies a laminated structure (e.g., Polyester film on one side, Paper on the other, or vice versa) for use in electrical insulation, packaging, or fireproof materials.
- If the product is pure polyester film (no paper), it might fall under other 3920/3921 codes not listed in the DATA.
- However, based strictly on the provided DATA, if your product contains paper reinforcement, you MUST use 3921.90.40.10. Using 3921.90.40.90 (0% tax) for a paper-reinforced product will trigger customs audits, penalties, and back-taxes.
💰 III. 2024/2025 Tariff Rate Breakdown (Detailed Tax Analysis)
✅ Applicable Market: United States (US)
✅ Origin: China (CN)
✅ Product: Polyester Flame Retardant Foil (Reinforced with Paper)
🎯 1. HS Code 3921.90.40.10 —— Flexible Reinforced with Paper
| Item | Detail |
|---|---|
| Base Duty (MFN) | 4.2% |
| Section 301 Additional Duty | 25.0% |
| Total Effective Duty | 29.2% |
| Tax Calculation | CIF Value × 29.2% |
| De Minimis Exemption | ❌ Not Eligible (De Minimis does not apply to Section 301 goods) |
| Legal Basis | USHTS 3921.90.40.10 + USITC Footnote 301 (25% on China-origin plastics/composites) |
📌 Why 29.2%?
- The 4.2% is the standard Most Favored Nation (MFN) duty for "Other plates, sheets, film, foil and strip of plastics... flexible reinforced with paper".
- The 25% is the retaliatory tariff imposed under Section 301 of the Trade Act of 1974 on specific Chinese goods, including this plastic composite category.
- Total: 29.2%. This is a significant cost factor.
🎯 2. HS Code 3921.90.40.90 —— Flexible Other
| Item | Detail |
|---|---|
| Base Duty (MFN) | 0.0% |
| Section 301 Additional Duty | 0.0% |
| Total Effective Duty | 0.0% |
| Tax Calculation | CIF Value × 0% |
| De Minimis Exemption | ✅ Eligible (If value <$800) |
| Legal Basis | USHTS 3921.90.40.90 |
⚠️ WARNING:
This 0% rate applies ONLY if the product is NOT reinforced with paper. If you ship a polyester foil with a paper backing and declare it as3921.90.40.90, Customs will likely reject the declaration, demand the 29.2% duty, and impose penalties. Do not misclassify.
🛠️ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)
✅ 1. Documentation Checklist (Must-Have)
| Document | Required? | Purpose |
|---|---|---|
| Product Spec Sheet | ✔️ | Must clearly state: "Polyester Film Laminated with Paper" or "Paper-Reinforced Polyester". |
| Composition Breakdown | ✔️ | Percentage of polyester vs. paper. If paper is structural, it’s 3921.90.40.10. |
| Flame Retardancy Certificate | ✔️ | Proof of FR rating (e.g., UL94 V-0, V-1). Helps justify "specialty plastic" use. |
| Commercial Invoice | ✔️ | Description must match HS Code. Use: "Polyester Plastic Foil, Flexible, Reinforced with Paper, Flame Retardant." |
| Bill of Lading/Air Waybill | ✔️ | Standard shipping docs. |
✅ 2. Classification Strategy (Key Decision Tree)
| Scenario | Correct HS Code | Duty Rate | Action |
|---|---|---|---|
| Product has a visible paper layer (laminated) | 3921.90.40.10 |
29.2% | Must Declare Accurately. Provide photos showing paper layer. |
| Product is pure polyester film (no paper) | Not in DATA | Varies | Not covered in provided DATA. Likely 3920.90.40 or similar. Consult customs broker. |
| Product is plastic-coated paper (paper is main structure) | Not in DATA | Varies | May fall under Chapter 48 (Paper). High Risk. |
| Product is "Other" flexible plastic (no paper) | 3921.90.40.90 |
0.0% | Only if absolutely NO paper is involved. |
🔥 Golden Rule:
"If there’s paper, it’s 40.10 (29.2%). If it’s 40.90 (0%), there’s no paper."
Misclassification is the #1 cause of delays and fines. When in doubt, pay the 29.2% and avoid legal risks.
✅ 3. Special Considerations
| Issue | Recommendation |
|---|---|
| Flame Retardant Chemicals | Ensure the FR additives are compliant with US regulations (e.g., TSCA, EPA). Provide SDS (Safety Data Sheet). |
| Paper Source | If the paper is from a non-China country, it may not change the origin of the composite, but document the supply chain. |
| De Minimis (Section 321) | Do NOT use De Minimis for 3921.90.40.10. Section 301 goods are excluded from de minimis exemption. |
| Pre-Ruling | Highly Recommended. Apply for an IRS/Customs Ruling if your product is borderline. This protects you from retroactive penalties. |
🌍 V. Global Market Comparison (2024/2025)
| Country/Region | HS Code | Duty Rate | Notes |
|---|---|---|---|
| 🇺🇸 USA | 3921.90.40.10 |
29.2% | High duty due to Section 301. |
| 🇨🇳 China | 3921.90.40.10 |
~5-6% | Import duty to China (if exporting back). |
| 🇪🇺 EU | 3921.90.90 |
~6.5% | No Section 301 equivalent, but anti-dumping may apply. |
| 🇬🇧 UK | 3921.90.90 |
~6.5% | Post-Brexit tariffs apply. |
📌 Conclusion:
The US market is the most expensive for this product due to the 25% additional tariff. Plan your pricing strategy accordingly.
📌 VI. Common Mistakes & Pitfalls
❌ Mistake 1: Declaring "Polyester Foil" as 3921.90.40.90 (0%) when it contains paper.
👉 Consequence: Customs seizure, fines up to 40% of value, and back taxes of 29.2%.
❌ Mistake 2: Ignoring the "Flame Retardant" aspect in documentation.
👉 Consequence: Delays due to EPA/OSHA checks. Always provide SDS.
❌ Mistake 3: Using De Minimis (Section 321) for shipments >$800.
👉 Consequence: Denied entry, return to sender, or forced to pay full duties + penalties.
✅ Best Practice:
"Declare Transparently: 'Polyester Film, Reinforced with Paper, Flame Retardant' under HS 3921.90.40.10. Pay the 29.2% duty. Avoid risks."
🎯 VII. Conclusion: Professional Declaration for Cost & Compliance
🎯 Key Takeaway:
- HS Code: 3921.90.40.10
- Duty: 29.2%
- Reason: "Flexible Reinforced with Paper"
- Action: Ensure your product description explicitly mentions "Paper Reinforcement" to justify the code. Do not attempt to hide the paper layer.
📌 Pro Tip:
If you are importing large volumes, consider Supply Chain Diversification (e.g., source from Vietnam/Mexico) if possible, to avoid the 25% Section 301 tariff. However, check Rules of Origin carefully.
📣 Immediate Action:
📞 Contact your Customs Broker with product samples/photos.
📄 Prepare Spec Sheets highlighting "Paper Reinforcement".
💰 Budget for 29.2% Duty in your cost model.
✨ Smart Classification, Smarter Profits!
💼 Compliance is not a cost; it’s an investment in smooth logistics.
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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。