polystyrene plastic board
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3916905000 | 40.8% | CN | US | 官方文档 |
| 3916903000 | 41.5% | CN | US | 官方文档 |
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AI分析
📦 Polystyrene Plastic Board (PS Boards)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategies
📌 I. Product Definition & Classification: Do You Really Understand "Polystyrene Board"?
Polystyrene (PS) is a common thermoplastic polymer known for its clarity, rigidity, and low cost. In international trade, Polystyrene Plastic Boards are classified based on their physical form (foam vs. non-foam) and specific application (packaging vs. general industrial use).
The critical distinction in classification lies in: 1. Density/Structure: Is it expanded polystyrene (EPS - foam) or solid/non-foam polystyrene? 2. End Use: Is it a general-purpose sheet/board or specifically designed as a packaging container/component?
⚠️ Key Classification Points:
- If the board is solid/non-foam and used for general industrial/construction purposes → Typically falls under Chapter 39 (Plastics and Articles Thereof), specifically subheadings for polystyrene sheets/plates.
- If the board is specifically shaped for packaging (e.g., blister packs, protective inserts, clamshells) → May fall under 3923 (Articles for the conveyance or packaging of goods).
- ⚠️ High Tariff Alert: Due to US-China trade tensions, most polystyrene products from China face significant additional tariffs (Section 301 + 122 Clause).
📦 II. HS Code Classification Details (2026 Authoritative Reference)
| HS Code | Product Description | Application Scenario | Key Characteristics |
|---|---|---|---|
3920.30.00.00 |
Polystyrene Plates, Sheets, Film, Foil, Strip & Tape (Non-Foam) | General industrial use, construction insulation (solid), signage, display stands | Solid PS, not expanded. Fits definition of "polystymerous polymer" non-foam boards. |
3920.99.10.00 |
Other Plates, Sheets, Film, Foil & Strip (Plastics) | Specialty PS blends, coated PS boards, or PS boards not specifically identified elsewhere in 3920 | "Board/Sheet" form. Used when 3920.30 is not precise enough (e.g., modified PS). |
3923.10.90.00 |
Plastics Packaging Articles (Polyethylene Focus, but PS often grouped here if specific packaging) | Protective packaging, blister packs, food containers made from PS or PE blends | Specifically for packaging. If the PS board is a finished packaging component. |
3923.29.00.00 |
Other Sacks, Bags & Pouches (Plastics) | Flexible PS packaging films, laminated PS packaging boards | Flexible packaging forms. Less common for rigid "boards," but possible for thin flexible PS sheets. |
3921.19.00.10 |
Other Plates, Sheets, Film, Foil & Strip (Polyethylene/Other) | PS/PE blends or misclassified PE boards labeled as PS. Note: If confirmed PS, this code is less ideal than 3920. | Often used for mixed polymer sheets. Only if the product is not pure PS. |
🔍 Critical Reminder:
- Pure Solid Polystyrene Boards → Prefer 3920.30.00.00 (most direct fit).
- Packaging-Specific PS Boards (e.g., clamshell packs) → Can be classified under 3923 series, but verify if the form factor matches "plates/sheets" vs. "containers."
- Foam Polystyrene (EPS) → NOT INCLUDED in this data set. EPS typically falls under 3921.90 or 3923.21/3923.30. This analysis is for Non-Foam/Solid PS.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-Ons)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: Current rates apply (post-2025 adjustments)
⚠️ Warning: All listed rates include US Base Tariff + Section 301 Tariff (25%) + Section 122 Clause Tariff (10%).
🎯 1. 3920.30.00.00 —— Non-Foam Polystyrene Plates/Sheets
| Item | Content |
|---|---|
| Base Tariff | 5.8% |
| Section 301 Tariff | +25.0% |
| Section 122 Clause Tariff | +10.0% |
| Total Tariff Rate | 40.8% |
| Tax Calculation | CIF Value × 40.8% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis | HTSUS:3920.30.00 → USITC Footnote 9903.88.01 → 301 Tariff List |
📌 Explanation:
- 5.8%: Base Most-Favored-Nation (MFN) rate for solid polystyrene sheets.
- 25%: Section 301 tariff on Chinese-origin plastic products.
- 10%: Section 122 Clause tariff (additional surtax on certain Chinese imports).
- Total: 40.8% is a very high barrier. Must be factored into landed cost calculations.
🎯 2. 3920.99.10.00 —— Other Plastic Plates/Sheets (Non-Specific PS)
| Item | Content |
|---|---|
| Base Tariff | 6.0% |
| Section 301 Tariff | +25.0% |
| Section 122 Clause Tariff | +10.0% |
| Total Tariff Rate | 41.0% |
| Tax Calculation | CIF Value × 41.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis | HTSUS:3920.99.10 → USITC Footnote 9903.88.01 |
📌 Note:
- Slightly higher base rate (6.0%) due to being a "catch-all" for non-specific plastic sheets.
- Same surtaxes apply. Total cost is marginally higher than3920.30.00.00.
🎯 3. 3923.10.90.00 & 3923.29.00.00 —— Plastic Packaging Articles
| Item | Content |
|---|---|
| Base Tariff | 3.0% |
| Section 301 Tariff | +25.0% |
| Section 122 Clause Tariff | +10.0% |
| Total Tariff Rate | 38.0% |
| Tax Calculation | CIF Value × 38.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis | HTSUS:3923 → USITC Footnote 9903.88.01 |
📌 Analysis:
- 38.0% is lower than the 40.8%/41.0% for general PS boards.
- Strategic Implication: If your PS board is finished packaging (e.g., a blister pack, a protective tray), classify under 3923 to save 2.8–3.0% in tariffs.
- ⚠️ Risk: Customs may challenge this if the item is just a raw sheet. Must be custom-shaped for packaging.
🎯 4. 3921.19.00.10 —— Other Plastic Plates/Sheets (PE Focus)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| Section 301 Tariff | +25.0% |
| Section 122 Clause Tariff | +10.0% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis | HTSUS:3921.19 → USITC Footnote 9903.88.01 |
📌 Warning:
- Highest Total Tariff (41.5%).
- Only use if the product is not pure Polystyrene (e.g., Polyethylene blend) and not for packaging.
- Misclassifying PS as PE here will lead to penalties and back-taxes.
🛠️ IV. Customs Clearance Practical Advice (Battle-Proven Pitfall Avoidance)
✅ 1. Required Documentation Checklist
| Document | Mandatory | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly state: "Non-Foam Polystyrene," thickness, dimensions, density. |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Confirms chemical composition (100% PS or blend). |
| ✅ Commercial Invoice | ✔️ | Clearly describe as "Polystyrene Sheets for [Use]," not generic "Plastic Board." |
| ✅ Packing List | ✔️ | Detail weight, volume, and packaging type. |
| ✅ Proof of Non-Foam Structure | ✔️ | Photos or lab report proving no expanded foam (EPS). |
| ✅ Certification (if packaging) | ✔️ | FDA compliance if for food contact; otherwise, general safety certs. |
✅ 2. Declaration Strategy (Key Mnemonic)
🔥 “Pure PS: 3920; Packaging: 3923; Avoid 3921 unless PE; All face 40%+!”
| Scenario | Correct HS Code | Incorrect Action | Consequence |
|---|---|---|---|
| Solid PS Sheet for Construction/Signage | 3920.30.00.00 |
Declare as 3920.99.10.00 |
Higher base tariff (5.8% vs 6.0%). |
| Custom-Made PS Blister Pack | 3923.10.90.00 |
Declare as 3920.30.00.00 |
Miss out on 38% rate (saves 2.8%). |
| Raw PS Sheet labeled "Packaging" but not shaped | 3920.30.00.00 |
Declare as 3923.10.90.00 |
Customs Rejection/penalty for misclassification. |
| PE Plastic Sheet labeled as PS | 3921.19.00.10 |
Declare as 3920.30.00.00 |
Fraud/Back Taxes + fines. |
✅ 3. Special Handling Cases
| Situation | Recommendation |
|---|---|
| PS Board with Coating/Lamination | If coating is <5% by weight, still PS. Declare as 3920.30.00.00. |
| Colorants/Additives | Pure PS with colorants remains 3920.30.00.00. Do not shift to 3920.99.10.00 unless it’s a different polymer. |
| Small Samples (<$800) | NOT ELIGIBLE for de minimis. All PS boards from China are subject to Section 301 + 122. |
| Transshipment via Vietnam/Mexico | High Risk. US Customs closely scrutinizes origin fraud. Ensure substantial transformation occurs. |
🌍 V. Global Market Comparison (2026 Overview)
| Country/Region | Recommended HS Code | Base Tariff | Total Tariff (China Origin) | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3920.30.00.00 |
5.8% | 40.8% | Highest barrier. Consider 3923 for packaging (38.0%). |
| 🇨🇳 China | 3920.30.00.00 |
6.5% | 6.5% | Export from China has low entry barrier. |
| 🇪🇺 EU | 3920.30.00 |
6.5% | 6.5% | No Section 301/122 surtaxes. |
| 🇬🇧 UK | 3920.30.00 |
6.5% | 6.5% | Post-Brexit tariff structure similar to EU. |
| 🇯🇵 Japan | 3920.30.00 |
6.0% | 6.0% | No major surtaxes on Chinese plastics. |
📌 Conclusion:
- USA is the only major market with punitive tariffs (40.8%) on Chinese Polystyrene Boards.
- EU, UK, Japan offer significantly lower duties (6–6.5%).
- If targeting the US, optimize classification (Packaging vs. General Use) and consider supply chain diversification.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Classifying Foam Polystyrene (EPS) as 3920.30.00.00
👉 Result: Customs inspection reveals foam structure → Reclassification to 3921.90 → Potential delays.
👉 Fix: Clearly state "Non-Foam" or "Solid" in description.
❌ Error 2: Using 3923 for Raw PS Sheets
👉 Result: Rejected as "not packaging articles."
👉 Fix: Only use 3923 if the product is finished, shaped, and intended for packaging.
❌ Error 3: Ignoring Section 122 Clause
👉 Result: Underpaying tariffs by 10%.
👉 Fix: Always calculate Base + 301 + 122 for US imports from China.
✅ Correct Declaration Example:
"Non-Foam Polystyrene Plates, Solid, for Industrial Signage Use, 2mm Thick, 4x8 Feet, Model XYZ, Origin: China"
🎯 VII. Conclusion: Precision in Classification Saves Money!
🎯 Remember the Mantra:
🔹 "Solid PS = 3920 (40.8%)"; "Packaging PS = 3923 (38.0%)"; "Foam PS = Not in Scope"; "China Origin = Heavy Surtax!"
🔹 "HS Code Choice Can Save 2.8% – Think Like a Customs Broker!"
📌 Pro Tip:
If your product volume is high, Apply for a Binding Ruling with US Customs and Border Protection (CBP) to confirm whether your specific PS board qualifies for 3923 (Packaging) at 38.0% instead of 3920 (General) at 40.8%.
📣 Immediate Action:
📞 Consult a Licensed Customs Broker
📄 Prepare Detailed Product Specs (Non-Foam Confirmation)
🚀 Calculate Landed Cost with 40.8% Tariff for USA Market
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Percentage Point of Tariff is a Point of Profit!
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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。