Styrene Plastic Laminated Board
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3921110000 | 40.3% | CN | US | Official Doc |
| 9503000090 | 10.0% | CN | US | Official Doc |
| 3921190090 | 41.5% | CN | US | Official Doc |
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AI Analysis
𧱠Styrene Plastic Laminated Board (Styrene Plastic Model Board)
π HS Code Classification & Clearance Guide | 2026 Tax Regime Analysis | Strategic Customs Strategy
π I. Product Definition: What Exactly is "Styrene Plastic Laminated Board"?
"Styrene Plastic Laminated Board" refers to rigid boards manufactured from styrene polymers (often expanded or foamed), typically used for modeling, packaging, signage, or construction. In international trade, the classification hinges on material composition, form factor (sheet/plate), and specific functional use (e.g., model components vs. general construction).
β οΈ Critical Distinction:
- Is it a foam sheet used for modeling? β Likely 3921.19.00.90 (Other foamed plastics).
- Is it a non-foamed polymer sheet for models? β Likely 3921.11.00.00 (Polymers of styrene).
- Is it an unclassified model component (ambiguous use)? β Likely 9503.00.00.90 (Toys/Models, miscellaneous).
π¦ II. HS Code Classification Details (2026 Official Tariffε―Ήη §)
| HS Code | Product Description | Application Scenario | Material/State |
|---|---|---|---|
3921.11.00.00 |
Styrene Plastic Model Board, non-foamed, polymer of styrene | Model building, architectural prototypes, rigid plastic sheets | β Polymer of styrene, solid plate |
9503.00.00.90 |
Styrene Plastic Model Board, unclassified model component | Generic model kits, unspecified assembly parts | β Styrene plastic, plate form |
3921.19.00.90 |
Styrene Plastic Model Board, foamed/other plastic foam sheet | Packaging, lightweight modeling, foam insulation boards | β Foamed styrene, plate form |
π Key Classification Logic:
- 3921.11.00.00: Applies to non-foamed styrene polymer sheets. High tax due to "Base + Additional" structure.
- 9503.00.00.90: Applies when the board is a model component but lacks specific plastic classification. Low tax (10%).
- 3921.19.00.90: Applies to foamed styrene sheets (e.g., EPS, XPS). Highest tax due to "Other foam" classification.
π° III. 2026 Tariff Rate Breakdown (Detailed Tax Clauses)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: 2025/2026 Import Period
π― 1. 3921.11.00.00 ββ Non-Foamed Styrene Polymer Sheets
| Item | Content |
|---|---|
| Base Tariff | 5.3% (Ad Valorem) |
| Additional Tariff (Section 301) | +25.0% (USITC Footnote 9903.88.01) |
| Section 122 Tariff | +10.0% (China-specific add-on) |
| Total Tax Rate | 40.3% |
| Tax Calculation | CIF Value Γ 40.3% |
| De Minimis Exemption | β Not Applicable |
| Legal Path | USITC:3921.11.00.00 β Section 301:9903.88.01 β Section 122:10% |
π Interpretation:
- This is the most taxed category for non-foamed styrene boards.
- 40.3% is a heavy burden for high-volume modeling or construction imports.
π― 2. 9503.00.00.90 ββ Unclassified Model Components (Styrene Plastic)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff | 0.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 10.0% |
| Tax Calculation | CIF Value Γ 10.0% |
| De Minimis Exemption | β Not Applicable |
| Legal Path | Section 122:10% (China-specific) |
π Interpretation:
- This is the lowest tax category if the board can be legally classified as a "model component" rather than a "plastic sheet."
- 10% is achievable if the product is marketed/sold specifically as a "model kit part."
π― 3. 3921.19.00.90 ββ Other Foamed Styrene Plastic Sheets
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| Additional Tariff (Section 301) | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Applicable |
| Legal Path | USITC:3921.19.00.90 β Section 301:9903.88.01 β Section 122:10% |
π Interpretation:
- 41.5% is the highest possible tax for styrene boards.
- Applies to foamed products (e.g., Styrofoam sheets).
- Critical: Do not misdeclare foamed styrene as non-foamed to avoid audits.
π οΈ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
β 1. Documentation Checklist (Non-negotiable)
| Document | Required? | Purpose |
|---|---|---|
| Product Specification Sheet | β | Must specify: Foamed vs. Non-foamed, dimensions, density, polymer type. |
| Material Declaration | β | Confirm "100% Styrene Polymer" or "Styrene Foam" to avoid ambiguity. |
| Product Photos (Label + Structure) | β | Show if it's a "board" or a "model part." |
| Commercial Invoice | β | Explicitly state: "Styrene Plastic Model Board" + HS Code intent. |
| Packing List | β | Prevent "split declaration" penalties. |
β 2. Strategic Declaration Tips
π₯ Golden Rule: "Foam = High Tax, Model = Low Tax, Non-Foam = Medium-High Tax"
| Scenario | Correct HS Code | Risk of Misclassification |
|---|---|---|
| Foamed Styrene Sheet (e.g., packaging, insulation) | 3921.19.00.90 (41.5%) |
β Do NOT declare as 9503 β Audit risk + 41.5% tax. |
| Non-Foamed Styrene Sheet (rigid model board) | 3921.11.00.00 (40.3%) |
β Do NOT declare as 9503 unless it's a "model kit part." |
| Styrene Board Sold as "Model Component" | 9503.00.00.90 (10.0%) |
β Best option if product is a kit part, not raw material. |
| Mixed Foamed/Non-Foamed | Declare separately | β Mixing causes customs rejection + penalties. |
β 3. Special Cases & Workarounds
| Situation | Suggestion |
|---|---|
| "Model Board" sold in kits | Declare as 9503.00.00.90 (10%) if packaged with instructions for assembly. |
| Foam sheets for construction | Do not claim as "model board" β Use 3921.19.00.90 (41.5%). |
| Customs Inquiry | Provide density test report to prove foamed vs. non-foamed. |
| High-Value Shipments | Consider pre-ruling (Advance Ruling) from USCBP to confirm HS Code. |
π V. Global Market Comparison (2026)
| Region | Recommended HS Code | Tariff (China Origin) | Certification | Note |
|---|---|---|---|---|
| πΊπΈ USA | 3921.11.00.00 / 9503.00.00.90 |
40.3% / 10% | FDA/CPSC (if applicable) | US is the most taxed market. |
| π¨π³ China | 3921.11.00.00 |
5.3% | CCC | No Section 301/122. |
| πͺπΊ EU | 3921.11.00.00 |
0% (if CE) | CE, REACH | No Section 301. |
| π¦πΊ Australia | 3921.11.00.00 |
5% | RCM | Moderate tax. |
| π―π΅ Japan | 3921.11.00.00 |
0% | PSE | Low tax. |
π Conclusion:
- USA imposes the highest tax (40.3% to 41.5%) for styrene boards due to Section 301 and Section 122.
- 9503.00.00.90 (10%) is the only low-tax option but requires the product to be a "model component," not raw plastic sheet.
- Foamed styrene is never eligible for low tax; it is heavily taxed (41.5%).
π VI. Common Mistakes & Pitfalls (Learn from Them)
β Mistake 1: Declaring foamed styrene as "model board" (9503) to get 10% tax.
π Consequence: Customs audit β 41.5% tax + Penalty.
β Mistake 2: Declaring non-foamed sheet as "model component" (9503) without kit context.
π Consequence: Rejection β 40.3% tax.
β Mistake 3: Not specifying "foamed" vs. "non-foamed" in documentation.
π Consequence: Customs holds shipment β Delay + Storage Fees.
β Correct Approach:
"Styrene Plastic Model Board (Non-Foamed), Polymer of Styrene, Sheet Form, for Architectural Modeling, Model No. XYZ, Density: 1.05 g/cmΒ³"
OR
"Styrene Plastic Model Component (Foamed), Packaged with Assembly Instructions, HS 9503.00.00.90"
π― VII. Conclusion: Strategic Clearance for Profit Maximization
π― Key Takeaway:
πΉ "Foam = 41.5%, Non-Foam = 40.3%, Model Kit = 10%"
πΉ "If you can prove it's a 'model component' (kit), save 30% in tax."
πΉ "Never misdeclare foam as non-foam; audit risk is too high."
π Pro Tip:
If your Styrene Plastic Board is sold as a DIY kit (with instructions, cut-out shapes, or assembly steps), classify under 9503.00.00.90 (10%) to save thousands in duties.
If it's a raw material sheet, prepare for 40.3%β41.5% tax and adjust pricing accordingly.
π£ Act Now:
π Contact a Customs Broker + Submit Product Specs + Apply for Advance Ruling
π Secure your shipment, avoid penalties, and maximize profit margins!
β¨ Precision Classification = Lower Costs = Higher Margins!
πΌ Every dollar saved in tax is pure profit!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.