PS Plastic Anti UV Board
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3921110000 | 40.3% | CN | US | Official Doc |
| 3921190090 | 41.5% | CN | US | Official Doc |
| 3920300000 | 40.8% | CN | US | Official Doc |
| 3925900000 | 40.3% | CN | US | Official Doc |
| 3925305000 | 22.8% | CN | US | Official Doc |
AI Analysis
π‘οΈ PS & PET Plastic Anti-UV Boards (Construction & Industrial Panels)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: What Are "Plastic Anti-UV Boards"?
Plastic Anti-UV Boards are rigid or semi-rigid plastic sheets designed for durability, weather resistance, and aesthetic finish. In international trade, they are classified based on their material composition (Polystyrene vs. PET) and physical state (Foamed vs. Non-Foamed/Unreinforced).
1. Polystyrene (PS) Based Boards:
- Characteristics: Lightweight, rigid, often used for indoor/outdoor signage, decorative panels, and lightweight construction.
- Key Distinction: Is it foamed (honeycomb structure) or solid/non-foamed?
- Foamed/Expanded PS β Generally falls under Chapter 39.21 or 39.06.
- Solid/Non-Foamed PS β Falls under 3920.30 (Non-cellular) or 3921 (Other plates/sheets).
2. Polyethylene Terephthalate (PET) Based Boards:
- Characteristics: High strength, transparency, UV resistance, used in greenhouses, roofing, and industrial shielding.
- Key Distinction: Is it a finished building accessory or a generic plastic sheet?
- Generic Sheet β 3925.90 (Other plastic building materials).
- Specific Building Accessory β 3925.30 (Plastic building attachments).
β οΈ Critical Classification Point:
- If the board is PS (Polystyrene) and solid/non-foamed β Likely 3920.30.
- If the board is PS but treated/specialized as a "plate/sheet" not elsewhere specified β Likely 3921.11 or 3921.19.
- If the board is PET and used for construction β Likely 3925.90 or 3925.30.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authoritative Comparison)
Based on the provided data, here are the four possible classifications with their specific tax implications:
| HS Code | Product Description | Material/State | Classification Logic | Total Tax Rate (China Origin β US) |
|---|---|---|---|---|
3921.11.00.00 |
PS Plastic Flame Retardant Board | Polystyrene (PS), Plate Form | Matches styrene polymer & plate form. Likely flame-retardant treated. | 40.3% |
3921.19.00.90 |
PS Plastic Flame Retardant Board | Polystyrene (PS), Other Plate | "Other" plates/sheets/film of plastics. Fallback for PS plates not covered by 3921.11. | 41.5% |
3920.30.00.00 |
PS Plastic Flame Retardant Board | Polystyrene (PS), Non-Foamed | Non-cellular (solid) plates, sheets, film of styrene polymers. | 40.8% |
3925.90.00.00 |
PET Plastic Anti-UV Board | PET Plastic, Board Form | Other plastic building materials. Generic PET board for industrial/construction use. | 40.3% |
3925.30.50.00 |
PET Plastic Anti-UV Board | PET Plastic, Building Accessory | Plastic building attachments. Specific classification for PET boards used as building components. | 22.8% |
π Key Insight:
- PS Boards are heavily taxed due to Section 301 tariffs (25%) + IEEPA (10%) + Base Duty (5.3%-6.5%).
- PET Boards have a huge tax divergence: 40.3% (generic) vs. 22.8% (specific building accessory). Choosing the right HS Code for PET is critical for cost savings.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharge, Policy Add-ons)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: Post-November 2025 (Current IEEPA/Section 301 rules)
π― 1. Polystyrene (PS) Boards (3921.11, 3921.19, 3920.30)
| Item | Content |
|---|---|
| Base Duty | 5.3% β 6.5% (Ad Valorem) |
| Section 301 Surcharge | +25.0% (USITC Footnote, China-specific) |
| IEEPA Surcharge | +10.0% (China-specific, effective from Nov 2025) |
| Total Tax Rate | 40.3% β 41.5% |
| Calculation | CIF Value Γ Total Rate |
| De Minimis Exemption | β Not Available (Denied for Section 301/IEEPA goods) |
| Legal Basis Path | Section 301 β IEEPA:9903.01.24 β USITC:3921/3920 β FOOTNOTE:9903.88.01 |
π Explanation:
- PS plastics are subject to all three layers of tariffs.
- The slight difference (40.3% vs 41.5%) comes from the Base Duty variation between specific subheadings.
- No loopholes: De minimis (800 USD) does not apply. All shipments are fully taxed.
π― 2. PET Plastic Anti-UV Boards (3925.90 vs 3925.30)
A. 3925.90.00.00 (Generic PET Building Material)
| Item | Content |
|---|---|
| Base Duty | 5.3% |
| Section 301 Surcharge | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 40.3% |
| Legal Basis | Same as PS above. |
B. 3925.30.50.00 (PET Building Attachment) β OPTIMAL CODE
| Item | Content |
|---|---|
| Base Duty | 5.3% |
| Section 301 Surcharge | +7.5% (Reduced Rate*) |
| IEEPA Surcharge | +10.0% |
| Total Tax Rate | 22.8% |
| Savings | 17.5% less tax compared to generic code! |
| Legal Basis | Section 301 (Lower rate for specific building accessories) β IEEPA β USITC:3925.30 |
π Note on Section 301 Exclusions:
- Some PET building accessories may have been excluded or have lower rates under Section 301 lists.
-3925.30.50.00shows a 7.5% Section 301 rate, implying a specific exclusion or lower tier applies.
- Always verify current Exclusion Lists for PET boards before declaring!
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Documentation Checklist (Mandatory)
| Document | Required | Purpose |
|---|---|---|
| Product Specification Sheet | βοΈ | Must state: Material (PS/PET), Thickness, UV Treatment, Flame Retardancy (if claimed). |
| Physical Structure Diagram | βοΈ | Prove if foamed or non-foamed (critical for PS classification). |
| Photos (With Label) | βοΈ | Show branding, model number, and any "UV Resistant" or "Flame Retardant" markings. |
| Test Reports | βοΈ | UL94 (Flame), UV Aging Test (for PET), Tensile Strength. |
| Commercial Invoice | βοΈ | Clearly state "Plastic Board for Construction/Industrial Use," NOT just "Plastic Sheet." |
| Certificate of Origin | βοΈ | Prove China origin for tariff calculation. |
| Packing List | βοΈ | Detail dimensions, weight, and palletization. |
β 2. Declaration Strategy (Key Tips)
π₯ βMaterial First, Usage Second, Code Precision Saves Money!β
| Scenario | Correct HS Code | Risk of Error |
|---|---|---|
| PS Board, Solid, No Foam | 3920.30.00.00 (40.8%) |
If declared as "Foamed" β Wrong chapter β Seizure/Fine. |
| PS Board, Flame Retardant | 3921.11.00.00 (40.3%) |
If declared as "Other" β 41.5%. Small diff, but precision matters. |
| PET Board, Generic Sheet | 3925.90.00.00 (40.3%) |
High tax. |
| PET Board, Building Accessory | 3925.30.50.00 (22.8%) |
Lowest Tax! Must prove itβs used as a building attachment (e.g., roofing, siding). |
β οΈ Critical:
- For PET boards, if you can prove they are building attachments (e.g., corrugated roofing sheets, wall cladding), use3925.30.50.00to save 17.5%.
- For PS boards, the tax is uniformly high. Focus on accurate material description to avoid scrutiny.
β 3. Special Cases & Handling
| Case | Advice |
|---|---|
| Mixed Shipment (PS + PET) | Declare separately! Mixing codes can lead to audits. |
| Flame Retardant Claim | Provide UL94 or V-0 test reports. If claimed but not certified, CBP may reject and reclassify. |
| UV Resistant Claim | Provide UV aging test results. Helps justify "specialized" use, supporting 3925.30. |
| Foamed PS | If foamed, it might fall under 3906 or 3921.10. Ensure description matches "Non-cellular" for 3920.30. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tax Rate (China Origin) | Notes |
|---|---|---|---|
| πΊπΈ USA | 3925.30.50.00 (PET) |
22.8% | Best rate for PET. PS is ~40%. |
| πΊπΈ USA | 3920.30.00.00 (PS) |
40.8% | High tax, no easy exemption. |
| π¨π³ China | 3920.30.00.00 |
~5-6% | Low import duty, but export from China may have VAT refunds. |
| πͺπΊ EU | 3920.30.00 |
~6.5% + VAT | No Section 301/IEEPA. Lower than US. |
| π¬π§ UK | 3920.30.00 |
~6.5% + VAT | Post-Brexit, similar to EU. |
π Conclusion:
- US Market: Hardest due to 301/IEEPA. PET boards should be declared as Building Attachments (3925.30) to save 17.5%.
- EU/UK: More favorable. PS and PET are taxed similarly (~6.5%).
π VI. Common Mistakes & Pitfalls (Lessons from Blood & Tears)
β Mistake 1: Declaring PET Roofing Sheets as "Generic Plastic Sheet" (3925.90).
π Consequence: Pay 40.3% instead of 22.8%. Lost Profit!
β Mistake 2: Declaring Solid PS Board as "Foamed" to fit 3921.10.
π Consequence: CBP tests density, finds it solid, reclassifies to 3920.30 or 3921.11, charges back-taxes + penalties.
β Mistake 3: Omitting "Flame Retardant" in description.
π Consequence: If product is actually FR-rated but declared as non-FR, CBP may suspect misdeclaration of material properties.
β Mistake 4: Assuming De Minimis (800 USD) applies.
π Consequence: Denied. All Section 301/IEEPA goods are taxed regardless of value.
β Correct Declaration Example:
"PET Plastic Anti-UV Corrugated Board, Used as Roofing Building Attachment, 2mm Thick, UV Stabilized, Model XYZ, China Origin"
π― VII. Conclusion: Professional Declaration, Save Costs, Ensure Compliance!
π― Remember the Rules:
πΉ "PET Boards: Choose Building Accessory (
3925.30) to Save 17.5%! "
πΉ "PS Boards: High Tax (~40%) is Inevitable; Focus on Accurate Material Description."
πΉ "No De Minimis for China-Origin Plastics under 301/IEEPA."
π Pro Tip:
If you are importing PET boards in large quantities, consider applying for an HS Code Advance Ruling from CBP to confirm eligibility for 3925.30.50.00. This provides legal certainty and protects against future audits.
π£ Immediate Action:
π Contact your customs broker with product specs and test reports.
π Optimize your HS Code to minimize duty and ensure smooth clearance!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Percent Saved is Pure Profit!
Customer Reviews
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.