Petroleum Resin Membrane
CN โ US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3911100000 | 41.1% | CN | US | Official Doc |
| 3911200000 | 41.5% | CN | US | Official Doc |
| 1301909190 | 17.5% | CN | US | Official Doc |
| 1301904000 | 18.8% | CN | US | Official Doc |
| 3806900000 | 39.2% | CN | US | Official Doc |
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๐งช Petroleum Resin Membrane: HS Code Classification & 2026 Tariff Strategy
๐ HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
๐ I. Product Definition & Classification: What is "Petroleum Resin Membrane"?
Petroleum Resin (also known as Hydrocarbon Resin) is a versatile industrial material derived from petrochemical cracking by-products (C5, C9, or mixed fractions). In the context of a "Membrane," it typically refers to: 1. Raw Form: Solid or granular resin used as a raw material for manufacturing films or membranes downstream. 2. Intermediate Form: Resin used as an adhesive, tackifier, or binder in composite materials.
In international trade (specifically US Customs), the classification depends heavily on the chemical nature (petroleum-based vs. natural/plastic) and the physical state (primary form vs. processed).
โ ๏ธ Key Classification Distinction:
- If the product is strictly derived from petroleum cracking and is in its primary state (solid, liquid, powder, granule) โ It falls under Chapter 39 or Chapter 38.
- If it is described as a "Natural or Synthetic Resin" not elsewhere specified โ It may fall under Chapter 13.
- "Membrane" as a final product? If the "membrane" is a finished film with specific properties (e.g., filtration, separation), it might not be classified as "Resin" at all. However, based on the provided data, we assume the input is the resin material itself used to create membranes or adhesive membranes.
๐ฆ II. HS Code Classification Details (2026 Latest Tariff Authorityๅฏน็ ง)
Based on the provided data, here are the possible HS Codes for Petroleum Resin products, ranked by likelihood for "Petroleum Resin":
| HS Code | Product Description (Summary) | Applicability Scenario | Primary Form? |
|---|---|---|---|
3911.10.00.00 |
Petroleum Resins, Copolymers | Most common classification for standard C5/C9 petroleum resins in primary solid forms (globs, chips, powders). | โ Yes (Primary Form) |
3911.20.00.00 |
Petroleum Resins, Other Primary Forms | For petroleum resins that don't fit "Copolymers" specifically, or modified hydrocarbon resins. | โ Yes (Primary Form) |
1301.90.91.90 |
Resins, Other (Natural/Synthetic) | If the resin is classified as a "Natural Resin" or a synthetic resin not covered under Chapter 39 (less common for pure petroleum resin). | โ Yes |
1301.90.40.00 |
Petroleum Resins, Oleoresins | Specifically for resinous extracts or oleoresin forms. Rare for standard industrial petroleum resin. | โ Yes |
3806.90.00.00 |
Rosin & Derivatives, Primary Form | Warning: Only if the "petroleum resin" is actually a rosin derivative or misclassified chemical. Not for standard hydrocarbon resins. | โ Yes |
๐ Critical Reminder:
- Chapter 39 (Plastics) is the most standard chapter for hydrocarbon/petroleum resins in primary forms (3911).
- Chapter 13 (Natural Resins) is rarely correct for purely synthetic petroleum resins unless they are specifically defined as "other resins" in a different context.
- Chapter 38 (Miscellaneous Chemical Products) is typically for preparations or derivatives (like rosin), not the base petroleum resin itself.
- Do NOT classify a finished "membrane film" as resin. If it's a finished film, it may fall under Chapter 39 (Plastics Films) or Chapter 84/85 (if functional). The data provided refers to the raw resin.
๐ฐ III. 2026 Latest Tariff Rate Breakdown (Including Additional Duties & Policy Add-ons)
โ Applicable Country: United States (US)
โ Origin: China (CN)
โ Effective Time: November 10, 2025 onwards (including subsequent imports)
๐ฏ 1. 3911.10.00.00 โโ Petroleum Resins, Copolymers (Primary Form)
(Most likely classification for standard petroleum resin)
| Item | Detail |
|---|---|
| Basic Tariff | 6.1% (ad valorem) |
| Section 301 Additional Tariff | +25.0% (China-origin goods) |
| IEEPA Additional Tariff | +10.0% (China-origin goods, effective Nov 10, 2025) |
| Total Tariff Rate | 41.1% |
| Tax Calculation | CIF Value ร 41.1% |
| De Minimis Exemption Available? | โ No (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 โ USITC:3911.10.00.00 โ FOOTNOTE:301.01 |
๐ Explanation:
- Basic Tariff (6.1%): Standard MFN rate for petroleum resins.
- Section 301 (25%): Retaliatory tariff on Chinese goods.
- IEEPA (10%): New additional tariff under the International Emergency Economic Powers Act, effective late 2025.
- Total 41.1%: A very high burden. Must be factored into landed cost.
๐ฏ 2. 3911.20.00.00 โโ Other Petroleum Resins (Primary Form)
| Item | Detail |
|---|---|
| Basic Tariff | 6.5% |
| Section 301 Additional Tariff | +25.0% |
| IEEPA Additional Tariff | +10.0% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value ร 41.5% |
| De Minimis Exemption Available? | โ No |
| Legal Basis Path | IEEPA:9903.01.25 โ USITC:3911.20.00.00 โ FOOTNOTE:301.01 |
๐ Note:
- Nearly identical to3911.10.00.00. The 0.4% difference comes from the basic tariff (6.5% vs 6.1%).
- Use this if the resin does not fit the "Copolymer" definition in3911.10.
๐ฏ 3. 1301.90.91.90 โโ Other Resins (Natural/Synthetic)
| Item | Detail |
|---|---|
| Basic Tariff | 0.0% |
| Section 301 Additional Tariff | +7.5% |
| IEEPA Additional Tariff | +10.0% |
| Total Tariff Rate | 17.5% |
| Tax Calculation | CIF Value ร 17.5% |
| De Minimis Exemption Available? | โ No (Check specific ruling, but generally high-risk) |
| Legal Basis Path | IEEPA:9903.01.25 โ USITC:1301.90.91.90 |
๐ Caution:
- Only apply if your petroleum resin is legally classified as a "Natural Resin" or falls under "Other Resins" in Chapter 13.
- Risk: Customs may challenge this classification for pure petroleum-derived resins, leading to reclassification under Chapter 39 (41.1%) + penalties.
- Savings: 17.5% vs 41.1% is significant, but only if classification is defensible.
๐ฏ 4. 1301.90.40.00 โโ Petroleum Resins, Oleoresins
| Item | Detail |
|---|---|
| Basic Tariff | 1.3% |
| Section 301 Additional Tariff | +7.5% |
| IEEPA Additional Tariff | +10.0% |
| Total Tariff Rate | 18.8% |
| Tax Calculation | CIF Value ร 18.8% |
| De Minimis Exemption Available? | โ No |
| Legal Basis Path | IEEPA:9903.01.25 โ USITC:1301.90.40.00 |
๐ Note:
- Applicable only if the product is an oleoresin (resin dissolved in oil). Most solid petroleum resins do not qualify.
- Lower rate (18.8%) but narrow applicability.
๐ฏ 5. 3806.90.00.00 โโ Rosin and Derivatives (Primary Form)
| Item | Detail |
|---|---|
| Basic Tariff | 4.2% |
| Section 301 Additional Tariff | +25.0% |
| IEEPA Additional Tariff | +10.0% |
| Total Tariff Rate | 39.2% |
| Tax Calculation | CIF Value ร 39.2% |
| De Minimis Exemption Available? | โ No |
| Legal Basis Path | IEEPA:9903.01.25 โ USITC:3806.90.00.00 |
๐ Warning:
- Misclassification Risk: This code is for Rosin (from pine trees) and its derivatives.
- Petroleum Resin โ Rosin. Unless your product is a rosin-modified petroleum resin or mistakenly identified, do not use this code.
- High penalty risk if Customs determines itโs actually3911(41.1%).
๐ ๏ธ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
โ 1. Required Documentation Checklist (Do Not Miss Any)
| Document | Mandatory? | Explanation |
|---|---|---|
| โ Product Specification Sheet | โ๏ธ | Must detail: Chemical composition (C5/C9), molecular weight, glass transition temp, physical form (solid/liquid). |
| โ Safety Data Sheet (SDS) | โ๏ธ | Required for chemical import. Must list ingredients accurately. |
| โ Commercial Invoice | โ๏ธ | Must state: "Petroleum Resin, Primary Form" OR "Hydrocarbon Resin." Avoid vague terms like "Membrane Material" without HS code support. |
| โ Certificate of Origin (CO) | โ๏ธ | To determine eligibility for additional tariffs (Section 301/IEEPA). |
| โ Packaging List | โ๏ธ | Net/Gross weight, quantity, packaging type (bags, drums). |
| โ HS Code Ruling (If Available) | โ๏ธ | Pre-existing CBP ruling strengthens your classification claim. |
โ 2. Declaration Tips (Key Mantra)
๐ฅ "State the Chemical Nature, Not Just the Function!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Standard Petroleum Resin (Solid) | 3911.10.00.00 Petroleum Resin, Primary Form |
"Resin for Membranes" โ Ambiguous, high audit risk |
| Oleoresin Form | 1301.90.40.00 Petroleum Resin, Oleoresin |
"Liquid Resin" โ Needs SDS confirmation |
| Rosin-Derivative Blend | 3806.90.00.00 Rosin Derivative |
"Petroleum Resin" โ Misclassification if rosin > threshold |
| Finished Membrane Film | NOT IN DATA (Likely 3920/3921) | Classifying finished film as "Resin" โ Major error |
โ 3. Special Cases & Handling
| Situation | Recommendation |
|---|---|
| Blended Resins | If mixed with rosin, check if rosin content > 50%. If yes, 3806 may apply. If not, 3911. |
| Liquid Resin | If not oleoresin, check 3911.20.00.00. Ensure SDS classifies it correctly. |
| "Membrane" Claim | If the resin is already formed into a thin film for filtration, it may be classified as Plastic Film (Chapter 39) under a different code (e.g., 3920.xx), NOT as resin. Consult a specialist. |
| Origin Strategy | If importing from Vietnam, Thailand, or Mexico, check if IEEPA Exemptions apply. Rates can drop from 41.1% to 0-5%. |
๐ V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Remarks |
|---|---|---|---|---|
| ๐บ๐ธ USA | 3911.10.00.00 |
41.1% | None specific | High tariff burden. Use 3911 for pure petroleum resin. |
| ๐จ๐ณ China | 3907.xx (Import) |
~6-13% | CCC (if applicable) | Lower duties than US. |
| ๐ช๐บ EU | 3911.10 |
6.5% (MFN) | REACH Registration | No Section 301/IEEPA equivalent. |
| ๐ฎ๐ณ India | 3911.10 |
Varies (Basic + Countervailing) | BIS (if applicable) | Check for anti-dumping duties. |
๐ Conclusion:
- USA is the most expensive market for petroleum resin due to combined 301 + IEEPA tariffs (~41%).
- EU/China have significantly lower base rates.
- Supply Chain Shift: Consider sourcing from non-China origins to mitigate IEEPA/301 tariffs.
๐ VI. Common Errors & Pitfalls (Lessons Learned)
โ Error 1: Classifying finished membrane films as resin.
๐ Consequence: Misclassification. Film should be 3920 or 3921. Resin is 3911. Penalty + back taxes.
โ Error 2: Using 3806 (Rosin) for pure petroleum resin.
๐ Consequence: Customs will reclassify to 3911 (41.1%). You pay the higher rate + penalties.
โ Error 3: Ignoring IEEPA 10% in cost calculations.
๐ Consequence: Under-quoting landed cost. Profit margin eroded by 10% unexpectedly.
โ Error 4: Vague description: "Resin for Adhesive."
๐ Consequence: Customs flags for manual examination. Delays of 2-4 weeks.
โ Correct Practice:
"Hydrocarbon Resin, C5/C9 Derived, Primary Form, Solid Chips, Model XYZ, SDS Available, Non-Rosin Based"
๐ฏ VII. Conclusion: Precise Classification, Cost Optimization!
๐ฏ Remember the Mantra:
๐น "Petroleum Resin = Chapter 39 (3911) for 41.1%."
๐น "Rosin Derivative = Chapter 38 (3806) for 39.2% (if applicable)."
๐น "Natural Resin = Chapter 13 (1301) for 17.5% (risky)."
๐น "Finished Film โ Resin!"
๐ Pro Tip:
If your "Petroleum Resin Membrane" is a finished product (e.g., a filtration membrane), it is NOT covered in the provided data. It likely falls under Chapter 39 (Plastic Films) or Chapter 84/85 (Mechanical/Filtration Units).
- Action: Submit a Binding Tariff Ruling to CBP if the end-use is complex.
- Cost-Saving: If possible, source from non-China origins to avoid the 10% IEEPA + 25% Section 301 surcharge.
๐ฃ Immediate Action:
๐ Engage a licensed Customs Broker
๐ Provide SDS + Chemical Composition
๐ Apply for CBP Ruling if uncertain between3911and1301
๐ Optimize Landed Cost with Precise HS Code!
โจ Professional Clearance Starts with Accurate Classification!
๐ผ Every percentage point in tariff is money in your pocket!
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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) โ Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) โ More specific grouping within the chapter
- Subheading (6 digits) โ Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) โ 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 โ The standard duty rate applied to WTO members
- General rate โ Applied to countries without trade agreements
- Trade remedy duties โ 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.