Methyl Methacrylate Flexible Sign
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3921904090 | 39.2% | CN | US | Official Doc |
| 3921190090 | 41.5% | CN | US | Official Doc |
| 3919905010 | 40.8% | CN | US | Official Doc |
| 3919905040 | 40.8% | CN | US | Official Doc |
| 3906100000 | 41.3% | CN | US | Official Doc |
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π·οΈ Methyl Methacrylate (PMMA) Flexible Signage β Global HS Classification & 2026 Customs Strategy
π HS Code Reference & Clearance Guide | 2026 Tariff Breakdown | Professional Compliance Strategy
π Product: Methyl Methacrylate (PMMA) Flexible Signage
π Material Composition: Polymethyl Methacrylate (PMMA), a transparent acrylic polymer
π Key Feature: Flexible form factor (film, sheet, or strip) used for signage, labeling, or display
β οΈ Critical Distinction:
Unlike rigid PMMA sheets (often classified under 3920.90), flexible PMMA signage is categorized based on form, function, and application: - Flexible film/sheet β3921.19.00.90
- Reflective or self-adhesive strips/labels β3919.90.50.10/3919.90.50.40
- Raw polymer in flexible form β3906.10.00.00
π¦ II. HS Code Classification Details (2026 Tariff Authority)
| HS Code | Product Description | Application Scenario | Flexibility & Function |
|---|---|---|---|
3921.90.40.90 |
Flexible PMMA plates/films, not elsewhere specified | General flexible signage, indoor/outdoor displays | β Flexible, non-reflective |
3921.19.00.90 |
Other plastic plates, films, sheets, strips (PMMA-based) | Thin flexible sheets for signage lamination | β Flexible, flat film/strip |
3919.90.50.10 |
Self-adhesive flexible sheets, reflective or functional | Reflective signage, safety labels, high-visibility signs | β Flexible + Reflective/Functional |
3919.90.50.40 |
Self-adhesive plastic strips/tapes (PMMA) | Flat strip labels, branding tapes, decorative signage | β Flexible, flat strip/tape |
3906.10.00.00 |
Primary form of acrylic polymer (flexible film/strip) | Raw flexible PMMA films for further processing | β Flexible, primary polymer form |
π Key Clarifications:
- All HS codes above apply only when the PMMA is in flexible form (film, sheet, or strip).
- Rigid PMMA sheets (>5mm thick, non-flexible) fall under 3920.90 (not included here).
- If the sign includes electronic components (e.g., LED lighting), it may shift to Chapter 94 or 85.
π° III. 2026 Tariff Breakdown (USA Import from China)
πΊπΈ Target Market: United States
π¨π³ Origin: China
π
Effective Date: November 10, 2025 (includes all 2026 imports)
π― 1. HS Code 3921.90.40.90 β Flexible PMMA Sheets/Films
| Item | Details |
|---|---|
| Base Tariff | 4.2% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Additional Duty | +10.0% |
| Total Tariff | 39.2% |
| De Minimis Exemption | β Not Eligible |
| Legal Reference | 3921.90.40.90 β 301:4.2+25.0+10.0 |
π Why 39.2%?
- Base (4.2%): Standard Most-Favored-Nation (MFN) rate for flexible plastics.
- Section 301 (25%): Added by U.S. Trade Representative (USTR) under China-specific restrictions.
- Section 122 (10%): Additional duty for "plastic products not elsewhere specified."
π― 2. HS Code 3921.19.00.90 β Other Plastic Films/Sheets
| Item | Details |
|---|---|
| Base Tariff | 6.5% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Additional Duty | +10.0% |
| Total Tariff | 41.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Reference | 3921.19.00.90 β 301:6.5+25.0+10.0 |
π Note:
- This code applies to non-reflective, non-adhesive flexible films.
- Slightly higher base rate (6.5%) vs.3921.90.40.90due to "other plastic" classification.
π― 3. HS Code 3919.90.50.10 β Reflective/Functional Flexible Sheets
| Item | Details |
|---|---|
| Base Tariff | 5.8% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Additional Duty | +10.0% |
| Total Tariff | 40.8% |
| De Minimis Exemption | β Not Eligible |
| Legal Reference | 3919.90.50.10 β 301:5.8+25.0+10.0 |
π Critical Insight:
- Reflective or functional features (e.g., high-visibility signage) do not reduce tariffs.
- This code is stricter than3921due to functionality (reflectivity, adhesive, etc.).
π― 4. HS Code 3919.90.50.40 β Self-Adhesive Plastic Strips/Tapes
| Item | Details |
|---|---|
| Base Tariff | 5.8% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Additional Duty | +10.0% |
| Total Tariff | 40.8% |
| De Minimis Exemption | β Not Eligible |
| Legal Reference | 3919.90.50.40 β 301:5.8+25.0+10.0 |
π Why Same as
3919.90.50.10?
- Both are self-adhesive plastic products; the difference lies in function (reflective vs. non-reflective).
- Tariff structure remains identical due to shared base rate and additional duties.
π― 5. HS Code 3906.10.00.00 β Primary Form of Acrylic Polymer (Flexible)
| Item | Details |
|---|---|
| Base Tariff | 6.3% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Additional Duty | +10.0% |
| Total Tariff | 41.3% |
| De Minimis Exemption | β Not Eligible |
| Legal Reference | 3906.10.00.00 β 301:6.3+25.0+10.0 |
π Unique Case:
- This code applies only to raw, unprocessed PMMA in flexible form (e.g., rolls of film for further manufacturing).
- Not for finished signs; if signs are assembled, use3921or3919codes.
π οΈ IV. Customs Clearance Best Practices (Actionable Tips)
β 1. Documentation Checklist (Non-Negotiable)
| Document | Required | Purpose |
|---|---|---|
| Product Specification Sheet | β | Defines flexibility, thickness, adhesive type, reflective properties |
| Material Safety Data Sheet (MSDS) | β | Confirms PMMA composition and safety compliance |
| Third-Party Test Report | β | Validates flexibility, reflectivity, or adhesion performance |
| Commercial Invoice | β | Clearly states "Flexible PMMA Signage" with HS Code |
| Packing List | β | Separates raw materials vs. finished signs |
| Certificate of Origin (CO) | β | Essential for Section 301/122 duty exemptions (if applicable) |
β 2. Classification Strategy (Avoid Costly Errors)
| Scenario | Correct HS Code | Wrong Code | Consequence |
|---|---|---|---|
| Flexible PMMA film for signage | 3921.19.00.90 |
3920.90 (rigid) |
Tariff drops from 41.5% β 0% (but risk of misclassification) |
| Reflective flexible sign | 3919.90.50.10 |
3921.90.40.90 |
Tax 40.8% vs. 39.2% (minor difference, but function matters) |
| Self-adhesive strip | 3919.90.50.40 |
3921.19.00.90 |
40.8% vs. 41.5% (minor, but "adhesive" must be declared) |
| Raw flexible PMMA roll | 3906.10.00.00 |
3921.90.40.90 |
41.3% vs. 39.2% (risk of duty evasion if used incorrectly) |
π₯ Golden Rule:
"Function + Form = Correct Code"
- If flexible β Check3921(flexible sheets) or3919(adhesive/reflective).
- If raw material β Use3906.
- Never misclassify rigid PMMA as flexible to avoid duties!
β 3. Special Cases & Workarounds
| Scenario | Recommendation |
|---|---|
| OEM/Custom Flexible Signs | Provide design drawings and client specs to prove flexibility |
| Signs with LED Integration | May shift to Chapter 94 (e.g., 9405.40) β Lower tariffs (0-5%) |
| Export to Non-301 Markets | Consider Vietnam/Mexico re-export for Section 301 exemption |
| De Minimis (800 USD) | β Not applicable for PMMA signs (all HS codes above deny de minimis) |
π V. Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Total Tariff | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3921.19.00.90 / 3919.90.50.x |
39.2%β41.5% | N/A (Section 301/122 applies) | Highest tariffs due to China origin |
| πͺπΊ EU | 3921.19.00 / 3919.90.50 |
2.7%β5.5% | CE + RoHS | No Section 301/122; lower rates |
| π―π΅ Japan | 3921.19.00 / 3919.90.50 |
0%β3.5% | PSE + JIS | No additional duties |
| π¨π¦ Canada | 3921.19.00 / 3919.90.50 |
0%β5% | CSA + UL | No Section 301/122 |
| π¦πΊ Australia | 3921.19.00 / 3919.90.50 |
0%β5% | RCM + AS/NZS | No additional duties |
π Key Takeaway:
- USA tariffs are 8β10x higher than EU/Asia due to Section 301/122.
- Diversify supply chain to Vietnam, Mexico, or Thailand to avoid U.S. surcharges.
π¨ VI. Common Pitfalls & How to Avoid Them
β Pitfall 1: Classifying finished signs as raw polymer (3906)
π Result: Overpayment of 2.1%β3.1% (but risk of audit if misused).
β Pitfall 2: Ignoring reflectivity/adhesive features
π Result: Misclassification β 40.8% vs. 39.2% (minor, but function matters).
β Pitfall 3: Using de minimis exemption incorrectly
π Result: 800 USD limit not applicable β full duty + penalties.
β Pitfall 4: Missing MSDS or test reports
π Result: Customs hold β delayed clearance + storage fees.
β Correct Approach:
"Declare flexibility, function, and origin. Never hide raw material vs. finished product."
π― VII. Final Verdict: Optimize Your Flexibility Strategy
πΉ USA Importers:
- Pre-clearance: Apply for Advance Ruling to lock in correct HS Code.
- Supply Chain Shift: Move production to Vietnam/Mexico for Section 301 exemption.
- Cost Saving: $10,000β$50,000/year saved per container by reclassifying correctly.πΉ Global Exporters:
- EU/Asia: Prioritize CE/PSE/RCM certifications for zero-tariff access.
- USA: Avoid Section 301/122 by re-exporting via third countries.
π Pro Tip:
π Contact a Customs Broker + Submit Product Specs + Request HS Code Ruling
π Turn "PMMA Signage" into a Profitable Export!
β¨ Precision Classification = Cost Control + Compliance
πΌ Every 1% tariff saved = Thousands in Profit!
π Need Help?
β Get a Free HS Code Consultation
β Download 2026 Tariff Calculator
β Join Our Global Clearance Network
π Letβs Make Your PMMA Flexible Signs Profitable & Compliant!
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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.