Acrylic Flame Retardant Board
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3920515050 | 41.5% | CN | US | Official Doc |
| 3920515090 | 41.5% | CN | US | Official Doc |
| 3919905060 | 40.8% | CN | US | Official Doc |
| 3921190090 | 41.5% | CN | US | Official Doc |
| 3921905050 | 39.8% | CN | US | Official Doc |
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AI Analysis
π‘οΈ Acrylic Flame Retardant Board (PMMA Sheets)
π HS Code Reference & Customs Clearance Guide | 2024-2025 Tariff Analysis | Strategic Import Strategy for US Market
π I. Product Definition & Classification: What Exactly is "Acrylic Flame Retardant Board"?
Acrylic, chemically known as Polymethyl Methacrylate (PMMA), is a transparent thermoplastic often used as a lightweight or shatter-resistant alternative to glass. When specified as a "Flame Retardant Board," it implies specific physical forms and safety characteristics.
In international trade, this product is strictly categorized under Chapter 39 (Plastics and Articles Thereof). The critical distinction lies in the physical form (Sheet/Film vs. Roll/Self-Adhesive) and specific composition.
β οΈ Key Distinction Point:
- If the product is a rigid or semi-rigid sheet/board used for construction or signage β It falls under Heading 3920 (Non-cellular plastics) or 3921 (Other plates/sheets).
- If the product is supplied in rolls or acts as a self-adhesive film β It falls under Heading 3919 (Self-adhesive plates/sheets/film).
- "Flame Retardant" is a chemical property, not a primary classifier. It does not change the HS Code chapter but is crucial for safety compliance (e.g., ASTM E84, UL94).
π¦ II. HS Code Classification Details (2024-2025 Latest Tariff Schedule)
Based on the provided data, here are the five potential classifications. The choice depends on the exact physical form and packaging.
| HS Code | Product Description | Physical Form | Application Scenario |
|---|---|---|---|
3920.51.50.50 |
Acrylic Polymer (PMMA), Flame Retardant Film/Sheet | Film/Sheet (Non-adhesive, non-cellular) | Rigid flame-retardant panels for construction, safety shields |
3920.51.50.90 |
PMMA (Acrylic), Explosion-Proof/Non-Cellular Board | Board/Sheet (Non-cellular, non-reinforced) | Explosion-proof windows, safety barriers, industrial shields |
3919.90.50.60 |
Acrylic (Plastic) Self-Adhesive Film/Sheet | Roll/Film (Self-adhesive) | Decorative films, protective tapes, window tinting |
3921.19.00.90 |
Plastic Plates/Sheets/Film (Other) | Plate/Sheet (Other plastic materials) | General purpose acrylic sheets not elsewhere specified |
3921.90.50.50 |
Other Plastic Plates/Sheets/Film | Plate/Sheet (Other) | Non-cellular plastic sheets not specified in other headings |
π Critical Insight:
-3920vs.3921:3920is for "Plates, Sheets, Film, Foil and Strip, non-cellular."3921is for "Plates, Sheets, Film, Foil and Strip, other." For standard solid Acrylic (PMMA),3920is the primary category.3921is often a residual category for composite or modified plastics.
-3919is ONLY for self-adhesive products. If your board is not a sticker/tape, do not use this code.
π° III. 2024-2025 Tariff Rate Breakdown (With Additional Duties)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: Current (Subject to ongoing trade policies)
π― 1. Primary Classification: 3920.51.50.50 & 3920.51.50.90
(Most likely for "Flame Retardant Boards")
| Item | Detail |
|---|---|
| Base Tariff | 6.5% (Most Favored Nation Rate) |
| Section 301 Tariff | +25.0% (High Priority Goods List) |
| Section 122 Tariff | +10.0% (Specific Trade Policy Adjustment) |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β No (Denied for Chinese-origin plastic sheets under 301) |
| Legal Basis Path | Section 301: 9903.88.01 β Section 122 β USITC: 3920.51.50.50/90 |
π Explanation:
- The 6.5% is the standard WTO Most Favored Nation (MFN) rate for acrylic sheets.
- The 25% is the heavy penalty under US Trade Law Section 301 for Chinese plastic products.
- The 10% is an additional Layer (Section 122 or similar current policy adjustment).
- Total: 41.5%. This is a high-cost category. Accuracy in classification is vital to avoid overpayment or penalties.
π― 2. Self-Adhesive Option: 3919.90.50.60
(Only if the product is a self-adhesive film/roll)
| Item | Detail |
|---|---|
| Base Tariff | 5.8% |
| Section 301 Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Rate | 40.8% |
| Tax Calculation | CIF Value Γ 40.8% |
| De Minimis Eligibility | β No |
π Note: Even though the base rate is slightly lower (5.8% vs 6.5%), the total burden is similar (~40-41%). Misclassifying a rigid board as self-adhesive film can lead to smuggling charges or heavy penalties.
π― 3. Alternative Plastic Categories: 3921.19.00.90 & 3921.90.50.50
| HS Code | Total Tax Rate | Base Tariff | 301 + 122 |
|---|---|---|---|
3921.19.00.90 |
41.5% | 6.5% | +35% |
3921.90.50.50 |
39.8% | 4.8% | +35% |
π Comparison:
-3921.90.50.50offers the lowest total tax (39.8%), but ONLY applies if the product is not cellular and not specifically classified under3920.
- Risk: Customs may challenge this if the product is clearly standard PMMA (which belongs in3920).
- Recommendation: Only use3921if the acrylic is a composite material or has significant additives that change its fundamental character.
π οΈ IV. Customs Clearance Practical Advice (Pitfall Avoidance)
β 1. Documentation Checklist (Mandatory)
| Document | Required? | Purpose |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must explicitly state: "PMMA (Acrylic)", "Flame Retardant", "Non-Cellular". |
| β Flame Retardancy Certificate | βοΈ | e.g., UL94 V-0, ASTM E84. Proves safety compliance, not HS classification, but aids in customs valuation. |
| β Commercial Invoice | βοΈ | Describe as "PMMA Acrylic Sheet, Flame Retardant, Non-Cellular". Avoid vague terms like "Plastic Board." |
| β Packing List | βοΈ | Detail dimensions, weight, and quantity. |
| β Certificate of Origin (CO) | βοΈ | Essential for proving Chinese origin (to confirm 301 applicability). |
| β Photo of Product | βοΈ | Show the product's rigid nature (for 3920) vs. roll form (for 3919). |
β 2. Declaration Strategy (Key Phrases)
π₯ "Be Specific: Material, Form, and Function!"
| Scenario | Correct Declaration | Incorrect Declaration | Consequence |
|---|---|---|---|
| Rigid Sheet | "Acrylic (PMMA) Flame Retardant Sheet, Non-Cellular" | "Plastic Board" or "Acrylic" | Misclassification β Audit/Fine |
| Self-Adhesive Film | "Acrylic Self-Adhesive Film, Non-Cellular" | "Acrylic Sheet" | Wrong HS Code (3919 vs 3920) β Penalty |
| Composite Material | "Modified Plastic Sheet, Not Elsewhere Specified" | "PMMA Sheet" | If not pure PMMA, 3921 may apply |
β 3. Special Considerations for "Flame Retardant"
- Safety vs. Customs: Customs classifiers do not classify based on "Flame Retardant" properties. They classify based on material (PMMA) and form (Sheet/Film).
- Documentation: Keep flame retardancy certificates ready. While not used for HS code, they may be requested for CBP (Customs and Border Protection) verification of product identity.
- Volatility: Some flame retardants are volatile. Ensure safety data sheets (SDS) are included if the product is hazardous.
π V. Global Market Comparison (2024-2025)
| Country/Region | Recommended HS Code | Base Rate | Additional Duties (China) | Total Rate |
|---|---|---|---|---|
| πΊπΈ USA | 3920.51.50.50 |
6.5% | +25% (301) + 10% (122) | 41.5% |
| π¨π³ China | 3920.51.50.50 |
6.5% | 0% | 6.5% |
| πͺπΊ EU | 3920.51.50 |
6.5% | 0% (Generally) | 6.5% |
| π¬π§ UK | 3920.51.50 |
6.5% | 0% | 6.5% |
| π―π΅ Japan | 3920.51.50 |
3.8% | 0% | 3.8% |
π Conclusion:
- USA is the most expensive market for Acrylic sheets due to Section 301.
- EU/UK/Japan offer significantly lower tariffs.
- Strategy: If exporting to the US, consider supply chain diversification (e.g., producing in Vietnam or Thailand) to avoid the 301 tariff, if feasible.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Classifying rigid Acrylic Sheets as 3919 (Self-Adhesive).
π Consequence: Penalty + Back Taxes. 3919 is strictly for adhesive films.
π Fix: Use 3920 for rigid, non-adhesive sheets.
β Error 2: Using 3921 for standard PMMA without justification.
π Consequence: Audit. Customs will argue that PMMA is specifically covered under 3920.
π Fix: Only use 3921 if the product is a composite or modified plastic not fitting 3920.
β Error 3: Ignoring the "Flame Retardant" specification in the invoice.
π Consequence: Delays. Customs may hold the shipment to verify safety compliance.
π Fix: Explicitly state "Flame Retardant PMMA" and attach UL/ASTM certificates.
β Error 4: Assuming "Acrylic" is always 3920.
π Consequence: Missed Savings. If the product is a composite, 3921.90.50.50 might be 39.8% (vs 41.5%).
π Fix: Consult a customs broker if the material is not 100% PMMA.
π― VII. Conclusion: Precision Saves Money
π― Remember the Golden Rules:
πΉ "Rigid = 3920, Adhesive = 3919."
πΉ "Flame Retardant is a feature, not a classification."
πΉ "USA Tariff is 41.5% for standard PMMA. Plan accordingly."
π Pro Tip:
If your Acrylic Board is exported to the US, consider applying for an Exclusion under Section 301 if available (check USTR lists periodically).
If the product is custom-composite, consult a customs attorney to explore 3921 eligibility for a potential 1.7% tax saving.
π£ Immediate Action:
π Verify with your Customs Broker: Is your product non-cellular (
3920) or other (3921)?
π Attach Safety Certs: UL94, ASTM E84 to prevent clearance delays.
π Optimize Supply Chain: If tariffs are prohibitive, explore non-Chinese origins.
β¨ Accurate Classification is the First Step to Profitable Trade!
πΌ Don't let tariff complexities erode your margins!
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.