卷式科研胶片
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3702960000 | 38.7% | CN | US | Official Doc |
| 3702970000 | 35.0% | CN | US | Official Doc |
| 3920992000 | 39.2% | CN | US | Official Doc |
| 3920791000 | 41.2% | CN | US | Official Doc |
| 3704000000 | 35.0% | CN | US | Official Doc |
Product Images
AI Analysis
📷 Roll Scientific Film (Roll-Type Scientific Film)
🌐 HS Code Classification & Duty Guide | 2026 Updated Tariff Analysis | Proven Customs Clearance Strategy
📌 One Product, Multiple Classifications — Know the Difference to Avoid 45%+ Tariffs!
🧪 I. Product Definition & Key Classification Logic
Roll Scientific Film is a roll-form, photosensitive material primarily used in scientific research applications, such as:
- X-ray imaging (e.g., protein crystallography, material analysis)
- High-resolution spectroscopy
- Radiation detection
- Laboratory imaging systems
Despite being not for photography, it falls under photographic or photochemical materials due to its sensitivity to light/radiation, even if unexposed or pre-exposure.
⚠️ Critical Insight:
- Unexposed ≠ Not Photochemical
- Roll format + sensitive emulsion layer = Strongly indicates 3702.x (Photographic Film)
- Material base (plastic, cellulose) determines whether it falls under 3920.x (Plastic Films)
📦 II. HS Code Breakdown (2026 Updated Tariff Table)
| HS Code | Product Description | Key Determinant | Tax Risk Level |
|---|---|---|---|
3702.96.00.00 |
Roll scientific film, unexposed, for research, photosensitive | Photosensitive emulsion, unexposed, roll form | 🔴 High (38.7%) |
3702.97.00.00 |
Roll scientific film, unexposed, photosensitive, same as photographic film | Same material composition as photographic film | 🔴 High (35.0%) |
3920.99.20.00 |
Roll scientific film, plastic-based substrate, flexible film/strip | Polymer base (e.g., PET, PVC), no emulsion | 🔴 High (39.2%) |
3920.79.10.00 |
Roll scientific film, cellulose derivative base, e.g., cellulose acetate | Cellulose-based film, flexible | 🔴 Very High (41.2%) |
3704.00.00.00 |
Roll scientific film, exposed but not developed, photochemical product | Already exposed to radiation/light, not developed | 🔴 High (35.0%) |
🔍 Why So Many HS Codes?
Because one product can be classified differently based on:
- Material base (plastic vs. cellulose)
- Emulsion layer presence (photosensitive vs. inert)
- Exposure status (unexposed vs. exposed)
- Intended use (research vs. commercial photography)
💰 III. 2026 U.S. Tariff Breakdown (With Full Legal Basis)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (including all subsequent imports)
🎯 1. 3702.96.00.00 — Unexposed Scientific Film (Photosensitive)
| Item | Detail |
|---|---|
| Base Tariff | 3.7% (ad valorem) |
| Section 301 (USITC) Additional Duty | +25.0% |
| Section 301 (IEEPA) 122 Clause Duty | +10.0% |
| Total Effective Duty | 38.7% |
| Duty Calculation | CIF × 38.7% |
| De Minimis Threshold | ❌ Not eligible (denied under 19 CFR § 10.15) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3702.96.00.00 → FOOTNOTE:9903.88.01 |
📌 Why This Applies:
- The product is photosensitive, unexposed, and used in scientific imaging
- Even though not for photography, 3702.96.00.00 covers "other unexposed photographic film"
- Not exempt under any special clause
🎯 2. 3702.97.00.00 — Scientific Film, Same as Photographic Film (No Base Duty)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| USITC 301 Duty | +25.0% |
| IEEPA 122 Clause Duty | +10.0% |
| Total Effective Duty | 35.0% |
| Duty Calculation | CIF × 35.0% |
| De Minimis | ❌ Not eligible |
| Legal Basis | IEEPA:9901.25 → IEEPA:9903.01.24 → USITC:3702.97.00.00 → FOOTNOTE:9903.88.01 |
📌 Key Insight:
- Same product, but lower base tariff (0%) → Total is 35%, not 38.7%
- This code applies when the material is identical to photographic film (e.g., same emulsion, same base)
- Must prove material equivalence to avoid higher duty
🎯 3. 3920.99.20.00 — Plastic-Based Roll Film (Non-Photosensitive)
| Item | Detail |
|---|---|
| Base Tariff | 4.2% |
| USITC 301 Duty | +25.0% |
| IEEPA 122 Clause Duty | +10.0% |
| Total Effective Duty | 39.2% |
| Duty Calculation | CIF × 39.2% |
| De Minimis | ❌ Not eligible |
| Legal Basis | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3920.99.20.00 → FOOTNOTE:9903.88.01 |
📌 When This Applies:
- No photosensitive emulsion
- Plastic substrate (PET, PVC, etc.)
- Used as carrier or support (e.g., in lab equipment)
- Not for imaging, just a flexible film
- Higher tax due to no base duty offset
🎯 4. 3920.79.10.00 — Cellulose Derivative Film (e.g., Acetate)
| Item | Detail |
|---|---|
| Base Tariff | 6.2% |
| USITC 301 Duty | +25.0% |
| IEEPA 122 Clause Duty | +10.0% |
| Total Effective Duty | 41.2% |
| Duty Calculation | CIF × 41.2% |
| De Minimis | ❌ Not eligible |
| Legal Basis | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3920.79.10.00 → FOOTNOTE:9903.88.01 |
📌 Why It’s the Highest:
- Cellulose-based films are highly sensitive under U.S. trade policy
- Even non-photosensitive versions are treated as high-risk
- No duty relief available — 41.2% is final
🎯 5. 3704.00.00.00 — Exposed but Not Developed Film
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| USITC 301 Duty | +25.0% |
| IEEPA 122 Clause Duty | +10.0% |
| Total Effective Duty | 35.0% |
| Duty Calculation | CIF × 35.0% |
| De Minimis | ❌ Not eligible |
| Legal Basis | IEEPA:9901.25 → IEEPA:9903.01.24 → USITC:3704.00.00.00 → FOOTNOTE:9903.88.01 |
📌 Critical Note:
- Even if not developed, exposure = higher scrutiny
- Treated as "photochemical product" under 3704.00.00
- Same tax as 3702.97.00.00 — 35% total
🛠️ IV. Customs Clearance Best Practices (Pro Tips)
✅ 1. Critical Documentation Checklist
| Document | Required? | Why It Matters |
|---|---|---|
| ✅ Product Spec Sheet | ✔️ | Must state: emulsion type, base material, exposure status |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Proves non-toxic, non-hazardous |
| ✅ Lab Use Certificate | ✔️ | Shows scientific research purpose (not commercial photography) |
| ✅ Product Photos (clear, labeled) | ✔️ | Shows roll format, emulsion layer, base |
| ✅ Commercial Invoice | ✔️ | Must say: "Roll Scientific Film, Unexposed, for Research" |
| ✅ Certificate of Origin (CO) | ✔️ | If from Vietnam/Mexico, may qualify for IEEPA exemption |
| ✅ Test Report (e.g., from UL, SGS) | ✔️ | Supports material composition claims |
✅ 2. 申报技巧 (The 3 Golden Rules)
🔥 "Base Material First, Emulsion Second, Exposure Last!"
| Scenario | Correct HS Code | Wrong Code | Risk |
|---|---|---|---|
| Plastic base, no emulsion | 3920.99.20.00 |
3702.96.00.00 |
❌ 41.2% vs 39.2% → higher duty |
| Cellulose base, no emulsion | 3920.79.10.00 |
3702.97.00.00 |
❌ 41.2% vs 35.0% → 6.2% extra |
| Emulsion present, unexposed | 3702.96.00.00 |
3920.99.20.00 |
❌ 38.7% vs 39.2% → slightly better |
| Already exposed | 3704.00.00.00 |
3702.97.00.00 |
❌ 35% vs 35% → same, but wrong |
✅ 3. Special Case Handling
| Situation | Recommended Action |
|---|---|
| OEM lab film for research institutions | Apply for "Non-Commercial Use" exemption (requires letter from client) |
| Film used in medical research (e.g., MRI/X-ray) | Use 3702.96.00.00 with medical research certificate |
| Film from Vietnam/Mexico/Thailand | Apply for IEEPA exemption — 0% duty if origin is non-China |
| Film with mixed materials (plastic + cellulose) | Declare based on dominant component — get expert assessment |
🌍 V. Global Market Tariff Comparison (2026)
| Country | Recommended HS Code | Base Duty | Additional Duties | Total Duty | Notes |
|---|---|---|---|---|---|
| 🇺🇸 USA | 3702.96.00.00 |
3.7% | +25% +10% | 38.7% | Highest risk |
| 🇨🇳 China | 3702.96.00.00 |
5% | None | 5% | No 301/IEEPA |
| 🇪🇺 EU | 3702.96.00.00 |
0% | None | 0% | CE/ROHS only |
| 🇦🇺 Australia | 3702.96.00.00 |
5% | None | 5% | No extra |
| 🇯🇵 Japan | 3702.96.00.00 |
0% | None | 0% | No extra |
📌 Conclusion:
- USA is the only market with 301 + IEEPA + 122 Clause duties
- China-origin products face 35–41.2% — extremely high
- Non-China origin (Vietnam, Mexico) can avoid IEEPA — 0% total duty
📌 VI. Common Mistakes & How to Avoid Them
❌ Mistake 1: Declaring plastic-based film as 3702.96.00.00
👉 Result: Tax jumps from 39.2% to 38.7% — slightly better, but still wrong
✅ Fix: Use 3920.99.20.00 if no emulsion
❌ Mistake 2: Calling cellulose film "photographic film"
👉 Result: 41.2% vs 35% → 6.2% extra
✅ Fix: Use 3920.79.10.00 if no photosensitive layer
❌ Mistake 3: Not disclosing exposure status
👉 Result: Customs may assume exposed, leading to 3704.00.00.00 → 35%, but risk of audit
❌ Mistake 4: Using "scientific film" as name without material detail
👉 Result: Customs may default to 3702.96.00.00 → 38.7% — but may be wrong
✅ Correct Declaration Example:
"Roll Scientific Film, Unexposed, Cellulose Acetate Base, No Emulsion, For Research Use, Model XYZ, CO: VN"
🎯 VII. Final Verdict: Know Your HS Code, Save Your Profit!
🎯 Key Takeaway:
🔹 Plastic base? → 3920.99.20.00 (39.2%)
🔹 Cellulose base? → 3920.79.10.00 (41.2%)
🔹 Emulsion present? → 3702.96.00.00 (38.7%)
🔹 Exposed? → 3704.00.00.00 (35.0%)
🔹 China origin? → 35–41.2%
🔹 Vietnam/Mexico origin? → 0% (if IEEPA exempt)📌 Pro Tip:
Apply for an Advance Ruling (Pre-Approval) from U.S. Customs before shipping — avoid surprise audits & penalties.
📣 Act Now!
📞 Contact a licensed customs broker + provide product photos + material specs
🚀 Get your HS Code pre-approved — avoid 41.2% tax disaster!
✨ Precision Classification = Profit Protection!
💼 Your next shipment could save you $10,000+ — just by choosing the right HS Code!
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.