Flexible Polyester Film for Agricultural Greenhouses
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3920631000 | 39.2% | CN | US | Official Doc |
| 3920620090 | 39.2% | CN | US | Official Doc |
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AI Analysis
πΏ Flexible Polyester Film for Agricultural Greenhouses
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition and Classification: Do You Really Understand "Flexible Polyester Film"?
Flexible polyester film, specifically designed for agricultural greenhouses, is a high-performance plastic sheeting used to cover greenhouse structures. In international trade, its classification depends heavily on the polymer type and physical form.
The data provided identifies two distinct possibilities based on the specific chemical composition of the polyester:
- Unsaturated Polyesters (Flexible): Often used in specialized industrial applications.
- Poly(ethylene terephthalate) (PET) - Other: The most common form of polyester film used in agriculture, packaging, and construction.
β οΈ Key Distinction Point:
- If the film is made from Unsaturated Polyesters and is flexible β It falls under 3920.63.10.00.
- If the film is made from Poly(ethylene terephthalate) (PET) and does not fall under other specific sub-headings β It falls under 3920.62.00.90.
- Crucial Note: Most standard agricultural greenhouse films are PET-based. However, if the manufacturer uses unsaturated polyester resin for specific durability requirements, it may be classified differently. You must verify the Material Safety Data Sheet (MSDS) or technical specifications.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Key Material Characteristic |
|---|---|---|---|
3920.63.10.00 |
Other plates, sheets, film, foil and strip, of plastics: Of polycarbonates, alkyd resins, polyallyl esters or other polyesters: Of unsaturated polyesters: Flexible | Specialized industrial films, specific chemical-resistant greenhouse liners | β Unsaturated Polyester |
3920.62.00.90 |
Other plates, sheets, film, foil and strip, of plastics: Of polycarbonates, alkyd resins, polyallyl esters or other polyesters: Of poly(ethylene terephthalate) Other | Standard agricultural greenhouse covers, packaging films, electrical insulation | β PET (Polyethylene Terephthalate) |
π Important Reminder:
- Both codes fall under Chapter 39 (Plastics and Articles Thereof), specifically Heading 3920 (Other plates, sheets, film, foil and strip, of plastics, non-cellular and not reinforced, laminated, supported or similarly combined with other materials).
- The critical differentiator is the polymer type: "Unsaturated Polyester" vs. "Poly(ethylene terephthalate)".
- If the film is reinforced (e.g., with mesh), it would likely fall under 3921 or 3920 with different subheadings, but the prompt specifies "non-reinforced" in the general description.
π° III. 2026 Latest Tariff Rate Detailed Explanation (Including Surcharges)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: As per current trade policies (including Section 301 tariffs)
π― 1. 3920.63.10.00 ββ Flexible Unsaturated Polyester Film
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% |
| Additional Tariff (Section 301) | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0.0% = $0 |
| Legal Basis | 3920.63.10.00 |
π Explanation:
- This specific subheading for unsaturated polyester film currently enjoys a 0% total tariff rate.
- This is a significant advantage if your product is confirmed to be made from unsaturated polyester.
- Caution: Misclassification from PET (29.2%) to Unsaturated Polyester (0%) is considered fraud if the material is actually PET. Ensure accurate material certification.
π― 2. 3920.62.00.90 ββ Other PET Polyester Film (Non-Specific)
| Item | Content |
|---|---|
| Base Tariff Rate | 4.2% |
| Additional Tariff (Section 301) | 25.0% |
| Total Tax Rate | 29.2% |
| Tax Calculation | CIF Value Γ 29.2% |
| Legal Basis | 3920.62.00.90 + Section 301 Footnotes |
π Explanation:
- Base Rate (4.2%): Standard Most Favored Nation (MFN) tariff for other PET films.
- Section 301 Surcharge (25.0%): Applied to Chinese-origin goods under U.S. trade remedy measures.
- Total Effective Rate: 29.2%. This is a high-cost classification.
- Note: Some specific PET films might qualify for lower rates if they fall under more specific subheadings (e.g., magnetic backing, phototype-setting), but3920.62.00.90is the "catch-all" for other PET films and bears the full burden.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
β 1. Required Documentation Checklist (Non-Negotiable)
| Document | Must Provide | Explanation |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state: Material composition (PET vs. Unsaturated Polyester), thickness, width, color, and intended use (agricultural). |
| β Material Safety Data Sheet (MSDS) | βοΈ | Crucial for proving the chemical nature of the plastic. Look for "Polyethylene Terephthalate" or "Unsaturated Polyester Resin". |
| β Commercial Invoice | βοΈ | Must describe goods accurately: e.g., "Flexible PET Film for Greenhouse Covering" or "Unsaturated Polyester Film". Avoid vague terms like "Plastic Sheet". |
| β Certificate of Origin | βοΈ | Essential for verifying Chinese origin to apply correct Section 301 tariffs. |
| β Packing List | βοΈ | Details roll dimensions, weight, and packaging method. |
| β Lab Test Report (Optional but Recommended) | βοΈ | Third-party test confirming polymer type if HS code determination is disputed. |
β 2. Declaration Tips (Key Mantra)
π₯ "Material First, Not Just Function! PET is 29.2%, Unsaturated is 0%. Prove the Chemistry!"
| Scenario | Correct Declaration | Wrong Action |
|---|---|---|
| Standard Greenhouse Film | Declare as PET (3920.62.00.90) with 29.2% duty | Misdeclare as unsaturated polyester to save taxes β High Risk of Penalty |
| Specialized Industrial Film | Declare as Unsaturated Polyester (3920.63.10.00) with 0% duty | Provide insufficient proof of material type β Delayed Clearance |
| Reinforced Film (with Mesh) | Re-evaluate HS Code (may be 3921 or 3920.11/19) | Declare as simple film β Misclassification |
| Rolled vs. Cut Sheets | Specify "Film in Rolls" | Declare as "Plastic Sheets" β Potential Rate Change |
β 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Film | Provide customer PO + material specs. If the film has special properties (e.g., anti-fog, IR blocking), these do not change the HS code but should be declared for transparency. |
| Multi-Layer Film | If the film is laminated with other materials, check if it still falls under "non-reinforced, laminated, supported". The description in DATA specifies "noncellular and not reinforced, laminated, supported or similarly combined with other materials" as the header, but the subheadings are for simple films. If it is a composite, ensure it fits 3920. |
| Sample Imports | Even for samples, tariffs apply. Use temporary admission if possible, but usually, full duty is paid and refunded if exported. |
π V. Global Main Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3920.62.00.90 (PET) |
29.2% (4.2% + 25%) | None | High duty for PET; 0% for Unsaturated. |
| πͺπΊ EU | 3920.62.00 (Generic) |
4.5% (Typical) | REACH, RoHS | Lower tariffs than US. Verify if "Unsaturated" gets preferential treatment. |
| π¨π³ China | 3920.62.00.90 |
6.5% (Import Duty) | CCC (if applicable) | Domestic production is cheap; imports face standard duties. |
| π¬π§ UK | 3920.62.00 |
4.5% | UKCA | Post-Brexit tariffs similar to EU. |
| π¨π¦ Canada | 3920.62.00 |
4.5% | Health Canada | Check for CUSMA benefits if originating from NA. |
π Conclusion:
- The US market is the most expensive for PET greenhouse films due to Section 301 tariffs.
- Material classification is the single biggest cost driver. If you can legally prove the use of unsaturated polyester, you save 29.2%.
- However, PET is the industry standard for greenhouse films due to cost and durability. Therefore, most shippers will face the 29.2% rate.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring all "plastic film" as one generic code
π Consequence: Customs may reclassify, leading to underpayment penalties if itβs actually PET (29.2%) and you declared it as a lower-rate plastic.
β Error 2: Assuming "Greenhouse Film" has a specific HS Code
π Consequence: There is no specific "Greenhouse" HS Code. It is classified by material. Failing to specify material leads to delays.
β Error 3: Ignoring the Section 301 Tariff for PET
π Consequence: Budgeting only for the base rate (4.2%) and being shocked by the total 29.2% charge.
β Correct Approach:
"Flexible Polyethylene Terephthalate (PET) Film, 200 micron, for Agricultural Greenhouse Covers, Non-Reinforced, Roll Format, Made in China"
π― VII. Conclusion: Professional Declaration, Save Costs, Ensure Compliance!
π― Remember the Mantra:
πΉ "PET is 29.2%, Unsaturated is 0%. Prove your Chemistry!"
πΉ "HS Code determines duty, Material determines HS Code. Get it right, save thousands!"
π Tips:
- If you are importing large volumes, consider applying for an Exclusion under Section 301 if your specific PET film qualifies (check USTR website for current exclusions).
- Always request a Certificate of Composition from your supplier.
- For unsaturated polyester, ensure it is genuinely "flexible" and not reinforced, to qualify for 3920.63.10.00.
π£ Immediate Action:
π Contact your freight forwarder + Provide MSDS + Verify Polymer Type
π Let your greenhouse film clear customs smoothly, efficiently, and cost-effectively!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Your Every Cent of Duty Should Be Precisely Calculated!
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.