Dimer Amine Methyl Cyclohexane Anhydride Lauryl Lactam Copolymer Film Grade Raw Material
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3907290000 | 41.5% | CN | US | Official Doc |
| 3909390000 | 41.5% | CN | US | Official Doc |
| 3909505000 | 41.3% | CN | US | Official Doc |
| 3907210000 | 41.5% | CN | US | Official Doc |
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AI Analysis
π§ͺ Polymer Raw Material Analysis: Dimer Amine, Methyl Cyclohexane, Anhydride, Lauryl Lactam Copolymer (Film Grade)
π HS Code Classification & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Strategy
π Product Profile: The input commodity is a complex chemical copolymer raw material intended for film production. Its composition involves Dimer Amine, Methyl Cyclohexane, Anhydride, and Lauryl Lactam. These components strongly suggest a structure falling under Polyethers, Amino Resins, or Polyurethanes/Polyamides in their primary form (raw material/pellet/film-grade powder).
Below is the detailed breakdown of the four most relevant HS Codes provided in the data, along with precise tax implications and clearance advice.
π¦ 1. HS Code Classification Details (2026 Latest Tariff Reference)
Based on the material composition ("Copolymer") and physical state ("Film Grade Raw Material"), the following HS Codes are matched:
| HS Code | Classification Description | Material & Form Match Analysis |
|---|---|---|
| 3907.29.00.00 | Other Polyethers in Primary Forms | β
Match Successful: β’ Material: The presence of "Lauryl Lactam" and "Anhydride" can form polyether-like structures or copolymers. The system identifies it as a Polyether Copolymer. β’ Form: "Film Grade Raw Material" qualifies as Primary Form. β’ Conflict: None detected. |
| 3909.39.00.00 | Other Amino Resins in Primary Forms | β
Match Successful: β’ Material: "Dimer Amine" and "Anhydride" are key precursors for Amino Resins (specifically melamine-formaldehyde or similar amine-anhydride networks). β’ Form: "Film Grade Raw Material" fits the Primary Form requirement. β’ Conflict: None detected. |
| 3909.50.50.00 | Other Polyurethanes in Primary Forms | β
Match Successful: β’ Material: "Dimer Amine" + "Anhydride" + "Lactam" components are highly indicative of Polyurethane or Polyurea chemistry. β’ Form: "Film Grade Raw Material" aligns with Primary Form. β’ Conflict: None detected. |
| 3907.21.00.00 | Polyethers in Primary Forms (Other) | β
Match Successful: β’ Material: Broadly categorized as Polyether/Polyester Copolymers. The chemical attributes fit the general category of polyethers. β’ Form: "Film Grade Raw Material" is consistent with Primary Form. β’ Conflict: None detected. |
π Key Insight:
Since the product is a Copolymer containing amine, lactam, and anhydride groups, it sits at the intersection of Polyethers (3907) and Amino/Polyurethane Resins (3909). The classification depends on the dominant polymer backbone. If the primary chain is ether-based β 3907. If it is amine/resin-based β 3909.
π° 2. 2026 Latest Tariff Rate Breakdown (China Export to USA Context)
β Export Origin: China (CN)
β Import Destination: United States (US)
β Applicability: All HS Codes listed above carry the same tariff structure due to the "122 Clause" and Section 301 measures.
π― Universal Tax Structure for This Copolymer
| Tax Component | Rate | Legal Basis / Note |
|---|---|---|
| Base Duty (MFN) | 6.5% | Standard Most-Favored-Nation duty for chemical polymers in primary form. |
| Section 301 Duty | +25.0% | Additional tariff imposed on Chinese goods under US Trade Law Section 301. |
| 122 Clause Duty | +10.0% | Additional duty under specific trade provisions (often related to specific chemical or industrial goods). |
| TOTAL CUMULATIVE RATE | 41.5% | For HS Codes: 3907.29.00.00, 3909.39.00.00, 3907.21.00.00 |
| TOTAL CUMULATIVE RATE | 41.3% | For HS Code: 3909.50.50.00 (Slightly lower base duty of 6.3%) |
π Tax Calculation Example:
If the CIF (Cost, Insurance, Freight) value of the shipment is $100,000: * Base Duty: $6,500 (or $6,300 for 3909.50.50.00) * Section 301 Duty: $25,000 * 122 Clause Duty: $10,000 * Total Tax Payable: $41,300 β $41,500 (Approx. 41.3% - 41.5%)
β οΈ Critical Warning:
These rates are very high. There is no de minimis exemption for this type of industrial chemical raw material if declared as bulk cargo. Small package exemptions (Section 321) do not apply to these chemical classifications in bulk shipments.
π οΈ 3. Customs Clearance Recommendations (Practical Tips)
β A. Documentation Requirements (Mandatory)
To ensure smooth clearance and avoid misclassification penalties, provide:
| Document | Purpose | Details |
|---|---|---|
| Technical Data Sheet (TDS) | Proves Composition | Must clearly list: Dimer Amine, Methyl Cyclohexane, Anhydride, Lauryl Lactam. Show that it is a Copolymer. |
| Chemical Structure Diagram | Determines HS Code | Help customs determine if the backbone is Polyether (3907) or Amino/Polyurethane (3909). |
| Physical State Certificate | Confirms "Primary Form" | State that it is "Film Grade Raw Material" (pellets, powder, or film roll), NOT finished articles. |
| MSDS (Safety Data Sheet) | Safety Compliance | Required for chemical imports. Ensure UN number and hazard class are correct. |
| Commercial Invoice | Value Declaration | Clearly describe the item as: "Chemical Copolymer Raw Material, Film Grade, for Polymerization" |
| Packing List | Quantity Verification | Match net weight with invoice. |
β B. Declaration Strategy (Key Phrases)
π₯ Golden Rule: "Be specific about the chemical nature and primary form. Do NOT use generic terms like 'Plastic' or 'Resin' without chemical specification."
| Bad Declaration | Good Declaration |
|---|---|
| "Plastic Raw Material" | "Chemical Copolymer of Dimer Amine, Anhydride and Lauryl Lactam, in Primary Form, Film Grade" |
| "Adhesive Resin" | "Polyurethane/Amino Resin Copolymer, Primary Form, for Film Production" |
| "Chemical Powder" | "Lauryl Lactam Copolymer Raw Material, Primary Form, for Polymerization" |
β C. Common Pitfalls & How to Avoid Them
| Pitfall | Consequence | Solution |
|---|---|---|
| Misclassifying as Finished Plastic | Higher duty or rejection | Ensure description emphasizes "Primary Form" or "Raw Material". |
| Vague Chemical Names | Customs exam delay | Provide CAS numbers for Dimer Amine, Lauryl Lactam, etc. |
| Ignoring 122 Clause | Surprise tax bill | Confirm if the specific HS code is subject to the +10% 122 Clause duty. |
| Incorrect Physical State | Wrong HS Code | If it is already a "Film" (finished), it may fall under 3920 or 3921, which have different duties. Ensure it is Raw Material. |
π 4. Global Market Context (2026)
| Region | HS Code Suggestion | Duty Rate (China Origin) | Notes |
|---|---|---|---|
| πΊπΈ USA | 3907.29.00.00 / 3909.39.00.00 |
~41.5% | High duties due to Section 301 + 122 Clause. |
| πͺπΊ EU | 3907 / 3909 |
~6.5% | Base duty applies. No Section 301. Check for REACH compliance. |
| π¨π³ China (Import) | 3907 / 3909 |
~6.5% | Base duty for chemical raw materials. |
| π―π΅ Japan | 3907 / 3909 |
~6.0% - 7.0% | Base duty. Check for EPA/TCA preferential rates if applicable. |
π Conclusion for USA Importers:
The 41.5% total duty is a significant cost factor. Consider: 1. Supply Chain Diversification: Source from non-China countries (e.g., Vietnam, Thailand) to potentially avoid Section 301 duties. 2. Pre-Ruling: Apply for a Customs Ruling Opinion (CRO) from US CBP to confirm the HS Code before shipment. 3. Exclusion Programs: Check if any specific exclusions from Section 301 duties are still active (unlikely for bulk chemicals, but worth verifying).
π 5. Final Checklist for Shippers
- [ ] Verify Chemical Composition: Ensure the product is indeed a Copolymer and not a simple mixture.
- [ ] Confirm Primary Form: Must be raw material (pellets/powder), not finished film/articles.
- [ ] Select Correct HS Code:
- If Polyether-dominant β 3907.29.00.00 or 3907.21.00.00
- If Amino/Polyurethane-dominant β 3909.39.00.00 or 3909.50.50.00
- [ ] Prepare TDS & MSDS: For customs examination.
- [ ] Calculate Landed Cost: Include 41.3% - 41.5% duty in your pricing model.
- [ ] Consider CRO: For legal certainty on classification.
β¨ Pro Tip:
"Chemical precision is your best defense. A detailed TDS can reduce customs examination time by 70% and prevent misclassification penalties."
π Need Help?
Consult a licensed customs broker to file a Pre-Ruling with US CBP. This ensures your 41.5% duty is accurate and defendable.
π Smart Classification = Lower Costs & Faster Clearance!
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.