PE微孔膜
CN → USAI Analysis
🛡️ PE Micro-porous Membrane (Polyethylene Porous Film)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: Do You Really Understand "PE Micro-porous Membrane"?
Polyethylene (PE) micro-porous membranes are advanced polymer materials characterized by a unique three-dimensional network structure containing millions of tiny pores. They are not standard solid films but engineered materials designed for permeability, breathability, and filtration.
In international trade, they are categorized based on their primary function and state:
1. Raw Material State (Raw Film):
Undrawn or drawn PE sheets/films with pores, not yet converted into specific end-use products (like masks or filters).
Key Feature:* High porosity, often hydrophobic.
2. Converted Product State (Finished Goods):
Membranes used as core components in hygiene products (diapers, sanitary pads), medical masks, or industrial filters.
Key Feature: Integrated into larger systems; often classified by the end-use* rather than the material itself if heavily processed.
⚠️ Critical Distinction:
- If it is a general-purpose porous film used for packaging, insulation, or generic filtration → Chapter 39 (Plastics).
- If it is specifically designed as a medical filter or part of a healthcare device → Chapter 90 (Medical Apparatus).
- If it is a non-woven fabric (needle-punched spunbond) with pores, it may fall under Chapter 56 (Non-wovens). Note: PE micro-porous membrane is typically blown film with controlled porosity, so Chapter 39 is most common for the raw film.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Porosity/State |
|---|---|---|---|
3920.10.90.00 |
Other plates, sheets, film, flexible film, backing and flat shapes, of polymers of ethylene | Most Common: General PE porous film (packaging, insulation, generic filtration) | ✅ Porous, but not specialized medical |
3920.99.00.00 |
Other plates, sheets, film, flexible film... (Other plastics) | If the PE contains additives changing its chemical structure significantly (rare for standard PE) | ✅ Porous |
3921.12.00.00 |
Other plates, sheets, film... of reinforced, laminated, support... or similarly combined plastics | If the PE membrane is laminated with paper, non-woven, or other fabrics (e.g., mask material composite) | ✅ Composite |
9019.20.00.00 |
Mechanotherapy appliances; massage apparatus; psychological aptitude testing apparatus | Specialized: If sold as a medical filtration component specifically for respiratory devices (rare, usually classified as part of the device) | ❌ N/A (Part of device) |
5603.13.90.00 |
Non-woven fabrics, whether or not impregnated, coated, covered or laminated... of synthetic fibers | Confusion Point: If the "membrane" is actually a needle-punched non-woven PE fabric (often called "melt-blown" or "spunbond"), it falls here. Melt-blown is often 5603.14. |
✅ Non-woven structure |
🔍 Key Reminder:
- "Micro-porous" (Micro-porous) vs. "Non-woven" (Non-woven):
- True PE Micro-porous Membrane (blown film with holes) → 3920.10.90.00.
- Melt-blown Fabric (needle-punched/spunbonded fibers with pores) → 5603.14.00.00 (Commonly used in N95 filters).
- Do not misclassify a general-purpose packaging film as a medical product to avoid scrutiny, unless it has specific medical certification and end-use documentation.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes, Policy Add-ons)
✅ Applicable Country: USA (US)
✅ Origin: China (CN)
✅ Effective Date: From November 10, 2025 (for subsequent imports)
🎯 1. 3920.10.90.00 —— Polyethylene Plates, Sheets, Film, etc.
| Item | Content |
|---|---|
| Base Tariff | 5.3% (Ad Valorem) |
| USITC Additional Tariff | +25% (Under Section 301, Footnote 9903.01.24) |
| IEEPA Additional Tariff | +10% (For Chinese/HK products, effective Nov 10, 2025) |
| Total Tariff Rate | 40.3% |
| Tax Calculation | CIF Value × 40.3% |
| De Minimis Eligibility | ❌ Not Eligible (deny_de_minimis) |
| Legal Authority Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3920.10.90.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- The 25% USITC surtax is due to Section 301 tariffs on Chinese plastic products.
- The 10% IEEPA surtax is the new对华附加税 (additional tariff) for Chinese goods.
- Total 40.3% is a very high tariff, significantly impacting cost margins for packaging or general industrial films.
🎯 2. 5603.14.00.00 —— Melt-blown Fabric (Non-woven)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| USITC Additional Tariff | +25% |
| IEEPA Additional Tariff | +10% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF × 41.5% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Authority Path | IEEPA:9901.25 → IEEPA:9903.01.24 → USITC:5603.14.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- If your product is Melt-blown PE fabric (common for mask filters), it is classified under Chapter 56.
- The tariff rate is slightly higher (41.5%) than standard PE film (40.3%).
- Crucial: Ensure your product description matches the actual structure. "Porous film" (3920) vs. "Melt-blown fabric" (5603) are different physical forms.
🛠️ IV. Customs Clearance Practical Advice (Real-world Pitfall Avoidance Guide)
✅ 1. Required Documents Checklist (All are Mandatory)
| Document | Must Provide | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Details: Thickness, width, porosity percentage, tensile strength, melt flow index. |
| ✅ Structure Diagram | ✔️ | To prove whether it is a blown film (3920) or non-woven fabric (5603). This is the most critical document for classification. |
| ✅ Product Photos (Clear) | ✔️ | Show cross-section (if possible) or texture to distinguish from solid plastic film. |
| ✅ Third-party Test Report | ✔️ | ISO, FDA (if medical), REACH, RoHS. |
| ✅ Commercial Invoice | ✔️ | Clearly state "PE Micro-porous Membrane, not for medical use" OR "Melt-blown Fabric for Filtration" as applicable. |
| ✅ Certificate of Origin (CO) | ✔️ | If shipped from Vietnam/Malaysia, claim GSP/FTA benefits (if applicable). |
| ✅ Packing List | ✔️ | Show unit packaging (rolls vs. sheets). |
✅ 2. Declaration Tips (Key Mnemonics)
🔥 "Structure Determines Code, Use Determines Value, Name Must Be Precise, Tax Avoids Surprises!"
| Scenario | Correct Declaration Method | Wrong Practice |
|---|---|---|
| General PE Film with Holes (Packaging/Insulation) | 3920.10.90.00 |
Misdeclare as "Medical Filter" → Higher scrutiny |
| Melt-blown Fabric (Mask Core) | 5603.14.00.00 |
Misdeclare as "Plastic Film" → Customs may reclassify and penalize |
| Composite (PE Film + Non-woven) | 3921.12.00.00 |
Split declaration → Risk of "Complete Set" rule application |
| Pure Medical Device Part (e.g., Ventilator Filter) | Part of Device (e.g., 8414/9019) | Declare as standalone plastic → May be rejected as incomplete device |
✅ 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| OEM for Medical Masks | Provide the mask manufacturer’s order. If the membrane is custom-shaped for a specific mask, it might be considered a part of the mask (Chapter 63/62/90), but raw rolls are usually 3920/5603. |
| High-Performance Breathable Film | If marketed as "Waterproof and Breathable" (like Gore-Tex equivalent), still 3920 unless it’s a textile laminate. |
| Recycled PE | If the product is made from recycled PE, the HS code may change to 3921.13 or similar, and anti-dumping duties might apply. Declare "Recycled" clearly. |
| Small Sample Shipments | Even for samples, if the value exceeds $800, full declaration is required. Samples of PE film are not exempt from 301 tariffs if from China. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3920.10.90.00 |
40.3% | FDA (if food contact), RoHS | High tariff; consider Vietnam origin for exemption. |
| 🇨🇳 China | 3920.10.90.00 |
5% | No specific import tariff | Low duty, easy entry. |
| 🇪🇺 EU | 3920.10.90.00 |
6.5% | CE (if electrical equipment part), REACH | No additional surtax, but strict chemical compliance. |
| 🇦🇺 Australia | 3920.10.90.00 |
5% | RCM (if electrical) | Moderate duty. |
| 🇯🇵 Japan | 3920.10.90.00 |
0-3% | PSE (if electrical) | Often 0% for some plastic films depending on exact subheading. |
📌 Conclusion:
- USA is the most expensive market due to Section 301 + IEEPA tariffs.
- EU and Asia markets are much more favorable.
- Strategy: If exporting to the US, consider transshipment (e.g., from Malaysia/Vietnam) to avoid the 35%+ surtax, ensuring substantial transformation occurs.
📌 VI. Common Errors & Pitfall Guide (Lessons from Blood & Tears)
❌ Error 1: Classifying Melt-blown Fabric as Plastic Film
👉 Consequence: Customs may reject the classification, delay cargo, and impose 25% penalty for misdeclaration.
✅ Correct: Melt-blown = Non-woven (5603); Blown Film with Pores = Plastic Film (3920).
❌ Error 2: Declaring General Packaging Film as Medical Filter Material
👉 Consequence: Triggers FDA review, delays clearance by weeks, and may require additional certifications not held by the supplier.
✅ Correct: Only claim "Medical" if it is specifically certified and intended for medical use. Otherwise, use "Industrial/General Purpose."
❌ Error 3: Ignoring Recycled Content
👉 Consequence: If the product is made from recycled PE, and you declare it as "Virgin PE," it is fraud.
✅ Correct: Declare "Made from Recycled Polyethylene" if applicable.
❌ Error 4: Vague Product Name: "Plastic Sheet"
👉 Consequence: Customs cannot determine the HS code, leading to random inspection and demurrage fees.
✅ Correct: Use detailed names like "PE Micro-porous Breathable Film, Blown Process, 50 Microns Thickness."
🎯 VII. Conclusion: Precise Classification Saves Money!
🎯 Remember Mnemonics:
🔹 "Film vs. Fabric: Check the Process, Blow or Melt!"
🔹 "USA Tariff is 40%, Think Twice Before You Ship!"
🔹 "Medical Claim Needs Proof, Otherwise Stick to General Use!"
📌 Pro Tip:
If your PE Micro-porous Membrane is sourced from Vietnam, Thailand, or Malaysia, you may be eligible for IEEPA Exemption (tariffs drop to 0-5%).
Recommendation:
1. Apply for Advance Ruling if the product is novel.
2. Verify Origin Rules if transshipping.
3. Provide Technical Data Sheets proving it is NOT a medical device unless certified.
📣 Immediate Action:
📞 Contact your customs broker with Technical Specs + Product Photos.
🚀 Ensure your Commercial Invoice matches the HS Code description exactly.
💡 Optimize your supply chain to avoid high US tariffs!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Your profit margin depends on every percentage point of duty!
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) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — 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 — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — 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.