Acrylic Building 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 |
| 3907690010 | 41.5% | CN | US | Official Doc |
| 3921190090 | 41.5% | CN | US | Official Doc |
| 3921110000 | 40.3% | CN | US | Official Doc |
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AI Analysis
ποΈ Acrylic Building Board (Polymethyl Methacrylate / PMMA)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
π Part 1: Product Definition & Classification: Do You Really Understand "Acrylic"?
Acrylic, scientifically known as Polymethyl Methacrylate (PMMA), is a transparent thermoplastic. In international trade, specifically for construction and building applications, it is rarely imported as a raw chemical. Instead, it enters the market as semi-finishedζΏζ (Sheets/Plates).
Because the physical form (rigid sheet) and material (acrylic polymer) can overlap with multiple HS headings, incorrect classification leads to massive tariff discrepancies. The following analysis breaks down the 5 specific HS Codes identified for this product, explaining why each applies based on the provided data.
β οΈ Critical Distinction Point:
- If the product is defined strictly as "Building Plate" or "Non-flexible Structure" β Look at 3920.51.50.
- If the product is defined as "Primary/Semi-finished" without viscosity data β Look at 3907.69.00.
- If the product is described as "Other Plastic Sheets" without specific acrylic polymer code fit β Look at 3921.19.00 or 3921.11.00.
π¦ Part 2: HS Code Classification Matrix (2026 Latest Tariff Authority Mapping)
| HS Code | Product Description (Based on Data) | Key Justification for Classification | Total Tax Rate |
|---|---|---|---|
3920.51.50.50 |
Acrylic Sheet, Building Use, Non-flexible Structure | Specifically identified as "Acrylic (Methyl Methacrylate)," in sheet form, intended for construction/building applications. | 41.5% |
3920.51.50.90 |
Acrylic Sheet (PMMA), No Flame Retardant Description | General acrylic polymer sheet. Classified here because the input lacks specific "flame retardant" description, defaulting to the 90 suffix. | 41.5% |
3907.69.00.10 |
Acrylic Polymer, Primary/Semi-finished Form | Classified as an oligomer or primary product. The data notes a lack of viscosity values, preventing a more specific polymer classification, thus falling into this "Other" category. | 41.5% |
3921.19.00.90 |
Other Plastic Sheets (Acrylic), Non-Foam | Categorized under "Other Plastic Sheets." It assumes the product is not foam (rigid) and fits the "other plastics" bucket if 3920 doesn't strictly apply. | 41.5% |
3921.11.00.00 |
Other Plastic Sheets (Based on Inference) | Lowest Tax Option. Derived by inferring it fits "Other Plastic Sheets" under a different subheading inference, resulting in a lower base rate. | 40.3% |
π Key Insight:
- All codes listed attract heavy US Section 301 (25%) and Section 122 (10%) tariffs. - The difference between the highest (41.5%) and lowest (40.3%) is small but significant for high-volume shipments. - 3907.69.00.10 is risky: It implies the product is an unfinished raw material (oligomer/resin) rather than a finished board. If you are shipping finished rigid sheets, this classification might be challenged by customs as incorrect form-factor.
π° Part 3: 2026 Latest Tariff Rate Detail (Including Surcharges)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: 2025+ (Current Trade Environment)
π― 1. The "Standard" Acrylic Sheet Rates (Codes: 3920.51.50.50 / .90, 3921.19.00.90)
These codes share the same tax structure based on the provided data.
| Item | Content |
|---|---|
| Base MFN Rate | 6.5% (Ad Valorem) |
| USITC Additional Tariff (Section 301) | +25.0% (Trade Act Section 301) |
| Section 122 Tariff | +10.0% (Specific to certain chemical/plastic imports from China) |
| Total Effective Tax Rate | 41.5% |
| Calculation Basis | CIF Value Γ 41.5% |
| De Minimis Exemption | β NOT APPLICABLE (Deny De Minimis for Section 301 goods) |
| Legal Basis Path | HTSUS:3920.51.50 β USITC Footnote 9903.88.01 β IEEPA:9903.01.25 |
π Explanation:
- The 6.5% is the standard Most Favored Nation (MFN) duty for acrylic sheets. - The 25% is the punitive tariff on Chinese goods under Trade Act 301. - The 10% is an additional layer often applied to specific plastic/resin categories under recent executive orders or Section 122 provisions. - Total: 41.5%. This is a very high barrier to entry.
π― 2. The "Inferred/Lower Rate" Option (Code: 3921.11.00.00)
This code offers a slightly better rate, but requires careful justification.
| Item | Content |
|---|---|
| Base MFN Rate | 5.3% (Ad Valorem) |
| USITC Additional Tariff (Section 301) | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tax Rate | 40.3% |
| Calculation Basis | CIF Value Γ 40.3% |
| De Minimis Exemption | β NOT APPLICABLE |
| Legal Basis Path | HTSUS:3921.11.00 β USITC Footnote 9903.88.01 |
π Caution:
- This rate is derived from an "inference" according to the data. Customs may challenge this if your product is clearly identified as "PMMA/Acrylic" in heading 3920. - Only use this if your product technically fits "Other Plastic Sheets" better than "Other Plastic Plates" in 3920, or if you have a strong pre-ruling argument.
π― 3. The "Raw Material" Risk (Code: 3907.69.00.10)
| Item | Content |
|---|---|
| Base MFN Rate | 6.5% (Implied similar to others in dataset) |
| Total Effective Tax Rate | 41.5% |
| Key Risk | Misclassification of Form |
π Critical Warning:
- This code is for "Primary/Semi-finished" acrylic (oligomers/resins). - If you import rigid building boards, customs will likely reject this code because the form factor (sheet/plate) is missing or incompatible with Chapter 3907 (Oligomers). - Do not use this code for finished building boards unless you are actually importing raw resin blocks.
π οΈ Part 4: Customs Clearance Practical Advice (Pitfall Avoidance)
β 1. Essential Documentation Checklist (Non-Negotiable)
| Document | Required? | Why? |
|---|---|---|
| β Product Specification Sheet | YES | Must clearly state: Material = PMMA / Acrylic, Form = Rigid Sheet, Thickness, Dimensions. |
| β Material Safety Data Sheet (MSDS) | YES | Proves chemical composition. Crucial to prove it is not a foam or flexible film. |
| β Commercial Invoice | YES | Must explicitly state "Acrylic Building Board" or "PMMA Sheet". Vague terms like "Plastic Sheet" invite higher scrutiny. |
| β Certificate of Origin (CO) | YES | If not China-origin, this could avoid the 35% surcharges. |
| β Packing List | YES | Must match invoice exactly. Include gross/net weight. |
| β Viscosity Data (If applicable) | YES | If using code 3907.69.00.10, you MUST provide viscosity numbers. Without them, the code is invalid. |
β 2. Declaration Strategy (Golden Rules)
π₯ "Specify Material, Specify Form, Avoid Ambiguity!"
| Scenario | Correct Declaration | Incorrect Declaration | Consequence |
|---|---|---|---|
| Finished Building Board | PMMA Acrylic Sheet, Rigid, 5mm Thick, for Construction |
"Plastic Plate" or "Acrylic Material" | High risk of reclassification to 3920/3921 with full 41.5% tax + penalties. |
| Raw Resin/Oligomer | Polymethyl Methacrylate Oligomer, Viscosity XX mPa.s |
"Acrylic Sheet" | Misdeclaration fraud risk. |
| Flame-Retardant Acrylic | Acrylic Sheet, FR Grade, Meets Std XXX |
Omitting "FR" | If FR, code 3920.51.50.50 might still apply, but data suggests 3920.51.50.90 (non-FR). Verify if FR changes the code. |
β 3. Special Situation Handling
| Situation | Recommendation |
|---|---|
| Is it Flexible or Rigid? | Data specifies "Non-flexible structure". If your product is flexible film, these codes are WRONG. You would need codes for films (3920.51.50.20 etc.). |
| Is it Foamed? | Data explicitly notes "Not specified as foam". If it is Acrylic Foam, the code changes entirely (3921.13.00). |
| Can we avoid the 35% Surcharges? | Only by transshipping through a third country (e.g., Vietnam, Malaysia) with substantial transformation. Direct China-origin shipments will face the 25%+10% surcharges. |
| Viscosity Missing? | Do not use 3907.69.00.10. Use 3920.51.50.50 or 3920.51.50.90 instead. |
π Part 5: Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Base Tax | US Surcharge | Total Estimated Cost | Notes |
|---|---|---|---|---|---|
| πΊπΈ USA | 3920.51.50.50 |
6.5% | +35% (25% Sec 301 + 10% Sec 122) | ~41.5% | Highest barrier. Pre-clearance vital. |
| π¨π³ China | 3920.51.50.50 |
5.0-6.0% | 0% | ~6% | Low cost, but export from China faces no US surcharge. |
| πͺπΊ EU | 3920.51.00.00 |
6.5% | 0% | 6.5% | No Section 301 equivalent. Much cheaper entry than US. |
| π¬π§ UK | 3920.51.00.00 |
6.5% | 0% | 6.5% | Post-Brexit, no US-style surcharges. |
π Conclusion:
- The US market is punitive on Chinese Acrylic boards.
- Europe/UK are significantly more cost-effective for the same product.
- Consider supply chain diversification if targeting the US heavily.
π Part 6: Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Using Code 3907.69.00.10 for Finished Rigid Sheets
π Consequence: Customs will reject it as "Wrong Form." You may face re-classification penalties and delays.
π Fix: Use 3920.51.50.50 for rigid building boards.
β Error 2: Ignoring the "Non-Flexible" Descriptor
π Consequence: If the sheet is slightly flexible, it might be classified as a film, changing the duty rate.
π Fix: Provide bending test reports if the product is borderline.
β Error 3: Vague Description "Acrylic"
π Consequence: Customs may default to the highest suspicious code or demand extra documentation.
π Fix: Always use "Polymethyl Methacrylate (PMMA) Rigid Sheet".
β Error 4: Assuming De Minimis Applies
π Consequence: Small shipments under $800 will still be taxed at 41.5%.
π Fix: Factor the 41.5% into your landed cost calculation immediately.
π― Part 7: Conclusion: Precision is Profit
π― Remember the Golden Rules:
πΉ "Rigid Building Board = 3920.51.50"
πΉ "Total Tax = 41.5% (China Origin to US)"
πΉ "No Viscosity Data? Don't use 3907."
πΉ "Acrylic is PMMA. Be Specific."
π Pro Tip:
If you are importing large volumes, consider applying for an HTSUS Pre-Ruling from US Customs (CBP). It locks in your classification before shipment, preventing surprise audits.
π£ Immediate Action:
π Contact your freight forwarder with the MSDS and Product Specs.
π Confirm HS Code 3920.51.50.50 is accepted for your specific rigidity and thickness.
π° Budget 41.5% in tariffs for US imports from China.
β¨ Smart Customs Clearance Starts with Accurate Data!
πΌ Don't let ambiguous descriptions cost you 41.5% of your value!
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.