Plastic Wall Fireproof Material
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3921110000 | 40.3% | CN | US | 官方文档 |
| 3921190090 | 41.5% | CN | US | 官方文档 |
| 3926909989 | 22.8% | CN | US | 官方文档 |
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AI分析
🏗️ Plastic Wall Fireproof Material (Cellular Polystyrene & Composite Articles)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
📌 I. Product Definition & Classification: What Exactly is "Plastic Wall Fireproof Material"?
Plastic wall fireproof materials are typically rigid or semi-rigid plates, sheets, or articles made from polymers, designed for interior/exterior decoration, insulation, or cladding. In international trade, the classification depends heavily on the material composition (Styrofoam/PS vs. Other Plastics) and the form (Cellular/Expanded vs. Solid) and intended use (Raw Sheet vs. Finished Article).
The provided data highlights three critical HS Codes based on the product's specific nature:
⚠️ Key Distinction Points:
- If the material is expanded/cellular Polystyrene (EPS/XPS) used as a sheet/panel → It falls under 3921.11.00.00.
- If the material is a cellular sheet from other plastics (e.g., PVC foam, PP foam) → It falls under 3921.19.00.90.
- If the product is a finished article (e.g., pre-cut wainscoting, decorative cladding panels with specific shapes/mounting features) rather than just a raw sheet → It may fall under 3926.90.99.89.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Key Characteristics |
|---|---|---|---|
3921.11.00.00 |
Cellular plates, sheets, film, foil, and strip of polymers of styrene | EPS/XPS insulation boards, styrofoam wall panels, lightweight decorative sheets | ✅ Cellular (Foamed) ✅ Polymers of Styrene (PS) |
3921.19.00.90 |
Cellular plates, sheets, film, foil, and strip of other plastics Other | PVC foam boards, PP foam sheets, HIPS sheets, other plastic foams for walls | ✅ Cellular (Foamed) ❌ Not Polymers of Styrene |
3926.90.99.89 |
Other articles of plastics... Other: Other Other | Pre-fabricated wall cladding, wainscoting, decorative trim, finished plastic wall accessories | ✅ Finished Article ❌ Not just raw sheets |
🔍 Critical Note:
- Cellular (Foamed): Refers to materials with a cellular structure (like foam or sponge), providing insulation and lightweight properties.
- "Other Plastics": In HS 3921.19, this covers all cellular plastic sheets except polystyrene (which is in 3921.11).
- Finished Article: If the plastic is shaped, molded, or finished for direct installation as a wall component (e.g., with slots for interlocking, pre-painted decorative patterns intended as final finish), it may be classified as an "article" under Chapter 3926, not Chapter 3921 (sheets).
💰 III. 2026 Latest Tariff Rate Details (Detailed Tax Breakdown)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Time: 2025/2026 (Subject to current trade policies)
🎯 1. 3921.11.00.00 —— Cellular Plates/Sheets of Polymers of Styrene (EPS/XPS)
| Item | Content |
|---|---|
| Basic Tariff | 0.0% |
| Additional Tariff (Section 301/USITC) | 0.0% |
| Total Tariff | 0.0% |
| Tax Detail | Base: 0.0%, Additional: 0.0% |
| Legal Basis | HTSUS 3921.11.00.00 |
📌 Explanation:
- Cellular polystyrene (commonly known as Styrofoam or EPS) boards are currently classified at 0% total tariff.
- This is a significant advantage for insulation and lightweight building materials made from PS.
- Note: Ensure the product is clearly "cellular" (foamed). Solid PS sheets would fall under a different code with potentially different rates.
🎯 2. 3921.19.00.90 —— Cellular Plates/Sheets of Other Plastics
| Item | Content |
|---|---|
| Basic Tariff | 0.0% |
| Additional Tariff (Section 301/USITC) | 0.0% |
| Total Tariff | 0.0% |
| Tax Detail | Base: 0.0%, Additional: 0.0% |
| Legal Basis | HTSUS 3921.19.00.90 |
📌 Explanation:
- Cellular sheets made from non-styrene plastics (e.g., PVC foam, PP foam, PE foam) also enjoy a 0% total tariff.
- Common in wPC (wood-plastic composite) foam boards or high-density PVC wall panels.
- Crucial: Must be "cellular." If it's a solid plastic sheet, it may fall under 3920 or 3921.20+, which could have different tariffs.
🎯 3. 3926.90.99.89 —— Other Articles of Plastic (Finished Wall Panels/Cladding)
| Item | Content |
|---|---|
| Basic Tariff | 5.3% |
| Additional Tariff (Section 301/USITC) | 7.5% |
| Total Tariff | 12.8% |
| Tax Detail | Base: 5.3%, Additional: 7.5% |
| Legal Basis | HTSUS 3926.90.99.89 |
📌 Explanation:
- If your product is a finished article (e.g., decorative wall cladding, pre-assembled panels, wainscoting) rather than a raw sheet, it is classified here.
- This attracts a 12.8% total tariff (5.3% base + 7.5% additional).
- Risk: Misclassifying a finished article as a "sheet" (3921) to get 0% tax is a common customs compliance risk. If the product has specific shaping, finishing, or mounting features for direct use as a wall component, it is an "article."
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)
✅ 1. Preparation Checklist (Non-Negotiable)
| Document | Required | Purpose |
|---|---|---|
| ✅ Product Technical Sheet | ✔️ | Must specify: Material type (PS, PVC, PP, etc.), Density, Cellular/Solid status, Dimensions, Thickness. |
| ✅ Material Composition Statement | ✔️ | Explicitly state % of Polymers of Styrene vs. Other Plastics. |
| ✅ Product Photos | ✔️ | Show cross-section (to prove "cellular" structure) and end-use (sheet vs. finished panel). |
| ✅ Commercial Invoice | ✔️ | Description should match HS Code precisely (e.g., "Cellular PVC Foam Board" vs. "PVC Wall Panel"). |
| ✅ Certificate of Origin | ✔️ | To prove Country of Origin (China) for tariff calculation. |
| ✅ Fireproof Rating Certificate | ✔️ | While not affecting HS Code directly, it may be required for building code compliance at the state/local level. |
✅ 2. Declaration Tips (Key Mnemonic)
🔥 "Foam is Free, Finished is Taxed; PS vs. PVC, Check the Base!"
| Scenario | Correct HS Code | Tariff | Why? |
|---|---|---|---|
| Raw EPS/XPS Board (Insulation) | 3921.11.00.00 |
0% | Cellular + Polymers of Styrene |
| Raw PVC Foam Board (WPC/Decorative) | 3921.19.00.90 |
0% | Cellular + Other Plastics |
| Finished Wall Cladding Panel (Decorative, Pre-cut) | 3926.90.99.89 |
12.8% | Finished Article of Plastic |
| Solid Plastic Sheet (Not Cellular) | Not in Data | Varies | Would likely fall under 3920/3921.20+; Do not use 3921.1x |
📌 Critical Warning:
- Do not declare "Finished Panels" as "Sheets" to avoid the 12.8% tariff. US Customs and Border Protection (CBP) frequently audits this. If the product has a specific shape, surface finish, or mounting system intended for direct installation, it is an Article (Chapter 3926).
- Confirm "Cellular" Status: If the material is solid (non-porous) but called "foam-like," it may not qualify for 3921.11/19. It must have a cellular structure.
✅ 3. Special Case Handling
| Situation | Advice |
|---|---|
| Composite Materials (e.g., Plastic + Aluminum) | If plastic is the essential character, it may still be classified under plastic rules. Check GRI 3(b). |
| Fire-Retardant Additives | Adding fire retardants does not change the HS Code if the base polymer remains PS or other plastic. |
| OEM/White Label | Ensure the invoice description reflects the actual material, not just the brand name. |
| Importing for Installation Service | If you are providing installation, declare the goods as the material itself, not "Construction Services." |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Notes |
|---|---|---|---|
| 🇺🇸 USA | 3921.11.00.00 / 3921.19.00.90 / 3926.90.99.89 |
0% or 12.8% | Critical to distinguish between "Sheet" and "Article." |
| 🇪🇺 EU | 3921.11 / 3921.19 / 3926.90 | Varies (0-6.5%) | VAT applies separately. No Section 301 equivalent. |
| 🇨🇳 China | 3921.11 / 3921.19 / 3926.90 | 0-5% | Import duties are lower. |
| 🇬🇧 UK | Same as EU | Varies | Post-Brexit tariffs may differ slightly from EU. |
📌 Conclusion:
- USA is the most complex market for these products due to the sharp tariff distinction (0% vs. 12.8%) and strict enforcement on "Sheet vs. Article" classification.
- Always provide cross-section photos to prove cellular structure.
- Never under-declare a finished panel as a sheet without strong justification and legal backing (e.g., Advance Ruling).
📌 VI. Common Mistakes & Pitfalls (Blood Lessons)
❌ Mistake 1: Declaring a finished decorative wall panel as "PVC Foam Sheet"
👉 Consequence: CBP may reassess at 12.8%, plus penalties and interest.
👉 Fix: Use HS Code 3926.90.99.89 for finished articles.
❌ Mistake 2: Declaring a solid plastic sheet as "Cellular PS"
👉 Consequence: Misclassification error. Solid sheets do not qualify for 3921.11.
👉 Fix: Verify material density and structure. Solid sheets may fall under 3920.49 or 3921.19 (if cellular) or other codes.
❌ Mistake 3: Ignoring Fireproof Certification requirements at the local building code level
👉 Consequence: Even if customs clears the goods, they may be rejected by local inspectors for non-compliance with fire codes (e.g., ASTM E84 Class A/B).
👉 Fix: Ensure products meet US building code standards (IBC/IRC).
🎯 VII. Conclusion: Precision Matters, Cost Savings Follow!
🎯 Remember the Mantra:
🔹 "Foam is Free (0%), Finished is Taxed (12.8%)."
🔹 "PS is 3921.11, Other Plastic is 3921.19."
🔹 "Article vs. Sheet: One Mistake Costs 12.8%!"
📌 Pro Tip:
If you are importing large volumes of finished wall panels, consider Advance Rulings from CBP to confirm classification.
For cellular sheets, ensure your supplier provides a material safety data sheet (MSDS) and density certificate to prove the "cellular" nature.
📣 Act Now:
📞 Consult a Customs Broker before shipment.
📄 Prepare Technical Docs (Cross-section photos, Material Spec).
🚀 Clear Customs Smoothly, Avoid Surprises, Maximize Profit!
✨ Professional Customs, Starts with Accurate Classification!
💼 Every Dollar Saved is a Dollar Earned!
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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。