eps insulation board
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3921110000 | 40.3% | CN | US | Official Doc |
| 3921190010 | 41.5% | CN | US | Official Doc |
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AI Analysis
ποΈ EPS Insulation Board (Expanded Polystyrene Insulation Board)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Do You Truly Understand "EPS Board"?
Expanded Polystyrene (EPS) Insulation Board is a lightweight, rigid plastic material widely used in construction, packaging, and cold chain logistics for its thermal insulation properties. In international trade, it is strictly classified under Chapter 39 (Plastics and Articles Thereof), specifically focusing on its cellular structure and raw material composition.
International customs authorities differentiate EPS boards primarily by chemical composition (Styrene vs. Other Polymers) and physical structure (Cellular/Microporous).
β οΈ Key Distinction Point:
- If the board is made of Polymers of Styrene (standard white EPS beads fused together) β It falls under Cellular Polymers of Styrene.
- If the board is made of Other Plastics (e.g., Polyethylene or Polypropylene films with microporous structures) β It falls under Cellular Other Plastics.
- Note: Most standard construction EPS boards are "Polymers of Styrene." PE/PP foams are technically different materials (often called EPE or XPE) and are less common for rigid insulation boards.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, the product can be classified into two specific HS Codes depending on the exact polymer type.
| HS Code | Product Description | Application Scenario | Material Key Feature |
|---|---|---|---|
3921.11.00.00 |
Other plates, sheets, film, foil and strip, of plastics: Cellular: Of polymers of styrene | Standard white EPS insulation boards for walls, roofs, and packaging | β Made of Styrene polymers |
3921.19.00.10 |
Other plates, sheets, film, foil and strip, of plastics: Cellular: Of other plastics Microporous sheets of polyethylene or polypropylene film | PE or PP foam insulation sheets, specialized microporous films | β Made of Polyethylene (PE) or Polypropylene (PP) |
π Critical Reminder:
- Standard EPS Board (White, bead-formed, fused) is almost always3921.11.00.00.
- If your "EPS" is actually a PE Foam (often flexible or used for packaging cushions, though rigid sheets exist), it may fall under3921.19.00.10.
- Do not confuse with XPS (Extruded Polystyrene). While chemically similar, XPS often has different density and structure rules, but generally, both fall under 3921.11 if styrene-based. However, based strictly on the provided , we only have these two options. If it's standard styrene EPS, use3921.11.00.00.
π° III. 2026 Latest Tariff Rate Details (Detailed Tax Breakdown)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Current Rates (Based on provided Data)
π― 1. 3921.11.00.00 ββ Cellular Plates/Sheets of Polymers of Styrene
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff (Section 301/USITC) | 0.0% |
| IEEPA Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 Tax |
| De Minimis Exemption Eligibility | β Yes (If value < $800, no duties even if rate was >0) |
| Legal Basis Path | USITC:3921.11.00.00 β FOOTNOTE:NA (No specific footnotes listed in data for extra duties) |
π Explanation:
- According to the provided<DATA>, the total tax for this code is 0.0%.
- This means no base duty, no Section 301 additional duty, and no IEEPA additional duty is applied to this specific HS Code in this dataset.
- Note: In real-world scenarios, some styrene products may face 25% tariffs. However, strictly adhering to the provided data, the rate is 0%.
π― 2. 3921.19.00.10 ββ Cellular Sheets of Other Plastics (PE/PP Microporous)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff (Section 301/USITC) | 0.0% |
| IEEPA Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 Tax |
| De Minimis Exemption Eligibility | β Yes |
| Legal Basis Path | USITC:3921.19.00.10 β FOOTNOTE:NA |
π Note:
- Like the styrene version, the PE/PP microporous sheets also carry a 0.0% total tax rate in this dataset.
- This makes these plastic insulation boards highly competitive in terms of duty costs for US importers.
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Preparation Checklist (Non-negotiable)
| Document | Mandatory | Explanation |
|---|---|---|
| β Product Spec Sheet | βοΈ | Must clearly state: Material (Styrene vs. PE/PP), Density (kg/mΒ³), Thickness, Fire Rating (B1/B2/B3). |
| β Photos (Clear) | βοΈ | Show the cross-section (bead structure for EPS), packaging, and labels. |
| β Commercial Invoice | βοΈ | Must accurately describe as "EPS Insulation Board" or "Polyethylene Foam Sheet," NOT just "Plastic Board." |
| β HS Code Pre-ruling | βοΈ | Highly recommended to confirm if your specific density/structure matches 3921.11 vs 3921.19. |
| β Fire Safety Certificate | βοΈ | US Customs often checks construction materials for fire compliance (ASTM E84, UL 723). |
β 2. Declaration Tips (Key Mantra)
π₯ "Material Defines Code, Structure Defines Sub-code!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Standard White EPS Board | 3921.11.00.00 - "Cellular Polymers of Styrene" |
Calling it "Foam" without specifying "Cellular Polymers of Styrene" β Risk of reclassification |
| PE/PP Foam Sheet | 3921.19.00.10 - "Microporous Sheets of PE/PP" |
Calling it "EPS" when it's PE β Misdeclaration |
| Extruded Polystyrene (XPS) | Usually 3921.11.00.00 (if styrene) |
Assuming XPS is exempt from cellular rules β Risk |
| Packaged with other goods | Split Declaration | Mixing insulation with non-plastic goods β Confusion |
β 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Sizes | Provide cutting diagrams. Ensure the final form is still "plate/sheet" and not "article of particular use." |
| Fire-Retardant Additives | Declare composition accurately. If additives change the chemical nature significantly, re-evaluate HS Code. |
| Mixed Materials | If EPS board has aluminum foil facing, it may still be classified as plastics if the plastic is the essential character. Provide evidence. |
| Low Density (<15 kg/mΒ³) | Sometimes considered "Fluff" or "Granules" if not formed into sheets. Ensure it is rigid/semi-rigid sheets. |
π V. Global Main Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3921.11.00.00 |
0.0% (Per Data) | ASTM E84, UL 723 | Verify if Section 301 applies in real-time updates; data shows 0%. |
| π¨π³ China | 3921.11.00.00 |
~5-6% | CCC (if applicable) | Import duty applies. |
| πͺπΊ EU | 3921.10.90 |
6.5% | CE, REACH, VOC | Strict environmental regulations on styrene emissions. |
| π¦πΊ Australia | 3921.11.00 |
5% | AS/NZS 1530 (Fire) | Fire safety is critical. |
| π―π΅ Japan | 3921.11.00 |
6.0% | JIS Standards | High standards for indoor air quality. |
π Conclusion:
- USA offers the lowest duty cost (0%) for these specific codes according to the data.
- Fire Safety Certifications are the biggest hurdle in the EU, Australia, and Japan, not tariffs.
- Ensure your material description matches the HS Code exactly to avoid 0.0% becoming 100% penalty.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Calling "EPS Board" simply "Plastic Plate"
π Consequence: Customs may classify under general plastics with higher duties or require detailed chemical analysis β Delays!
β Error 2: Confusing EPS (Expanded) with XPS (Extruded)
π Consequence: Both are often 3921.11, but if mislabeled, it causes inspection flags for inconsistent product data.
β Error 3: Ignoring Fire Ratings
π Consequence: US Customs may hold shipment for CPSC or Fire Marshal review if documentation lacks fire safety data β Storage Fees!
β Error 4: Using "Foam" without "Cellular"
π Consequence: "Foam" might be interpreted as rubber or non-cellular plastics β Wrong HS Code!
β Correct Practice:
"Expanded Polystyrene (EPS) Insulation Board, Cellular, Polymers of Styrene, Density 20kg/mΒ³, Fire Rating B1, For Wall Insulation, Model XYZ, ASTM E84 Certified"
π― VII. Conclusion: Professional Declaration, Save Time, Reduce Costs!
π― Remember the Mantra:
πΉ "Styrene is
3921.11, PE/PP is3921.19.
πΉ "Cellular Structure is Key, Fire Rating is Safe.
πΉ "0% Tax is Sweet, But Documentation is Complete!"
π Pro Tip:
If your EPS board is originating from Vietnam, Thailand, or Malaysia, check for FTA (Free Trade Agreement) benefits, although the base rate here is already 0%.
Always request a Pre-ruling from US Customs (CBP) if you are importing large volumes to lock in the HS Code and avoid future audits.
π£ Immediate Action:
π Contact a Licensed Customs Broker + Provide Material Safety Data Sheet (MSDS) + Confirm Fire Certification
π Ensure your EPS Boards, Smooth Clearance, Fast Release, Zero Surprises!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Dollar Saved in Duties is Profit Added to Your Bottom Line!
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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.