界面胶
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3506911000 | 35.0% | CN | US | Official Doc |
| 3506915000 | 37.1% | CN | US | Official Doc |
AI Analysis
🧪 Interface Adhesives (Optically Clear & Curable Liquid Adhesives)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 1. Product Definition & Classification: What exactly are "Interface Adhesives"?
Interface Adhesives (often referred to as OCA - Optically Clear Adhesives or LOC - Liquid Optical Clear Adhesives) are specialized bonding materials used primarily in the manufacturing of Flat Panel Displays (FPDs) and Touch-Sensitive Screen Panels.
In international trade, these are not generic glues. They are high-tech polymers or rubber-based products designed to be: * Optically Clear: High transmittance to avoid visual distortion. * Precise Application: Used in automated manufacturing lines for laminating display layers. * Specialized Use: Solely or principally for electronics assembly.
⚠️ Key Distinction Point:
- If the adhesive is optically clear and used solely/principally for making flat panel displays or touch screens → It falls under 3506.91.10.00.
- If it is a general-purpose polymer/rubber adhesive (not specifically optically clear for displays) or not meeting the strict "display-only" criteria → It falls under 3506.91.50.00.
📦 2. HS Code Classification Details (2026 Latest Tariff Authority Cross-Reference)
| HS Code | Product Description | Applicable Scenario | Key Characteristic |
|---|---|---|---|
3506.91.10.00 |
Optically clear free-film adhesives and optically clear curable liquid adhesives of a kind used solely or principally for the manufacture of flat panel displays or touch-sensitive screen panels | OCA films for smartphone screens, LOC for tablet assembly, touch panel bonding | ✅ Strictly for Displays/Touch Panels |
3506.91.50.00 |
Other adhesives based on polymers of headings 3901 to 3913 or on rubber | General industrial adhesives, non-optical bonding, mixed-use adhesives | ❌ General Purpose |
🔍 Critical Reminder:
- Subheading 3506.91.10 is a "Special Purpose" category. It ONLY applies if the product is Optically Clear AND used Solely/Principally for Flat Panel Displays/Touch Screens.
- If the adhesive is colored, has structural strength beyond optical bonding, or is used for general electronics assembly (not just display laminating), it may be misclassified. Misclassification here leads to severe tax penalties.
💰 3. 2026 Latest Tariff Rate Details (Including Supplementary Taxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Time: 2025 November 10 onwards (including subsequent imports)
🎯 1. 3506.91.10.00 —— Optically Clear Adhesives for Displays/Touch Panels
| Item | Content |
|---|---|
| Basic Tariff Rate | 0% (ad valorem) |
| USITC Supplementary Tax | +25% (Under USITC Footnote 9903.88.01 / Section 301) |
| IEEPA Supplementary Tax | +0% (Note: The provided data indicates 0% total tax for this specific code in the dataset, but generally, Section 301 applies. However, strictly following the provided <DATA>: Total Tax is 25.0%) |
| Total Tax Rate | 25.0% |
| Tax Calculation | CIF Value × 25% |
| De Minimis Exemption | ❌ Not Applicable (High value industrial goods rarely qualify) |
| Legal Basis Path | USITC:3506.91.10.00 → FOOTNOTE:9903.88.01 (Section 301 List 4B/301 Tariff) |
📌 Explanation:
- Although the Basic Tariff is 0%, the 25% Supplementary Tax applies due to Section 301 tariffs on Chinese-origin chemical products.
- Crucial Note: The provided data explicitly statestotal_tax: "25.0%". This means the 25% is the ONLY tax. There is NO additional IEEPA tax for this specific code in the provided dataset.
- Result: You pay 25% on the CIF value.
🎯 2. 3506.91.50.00 —— Other Polymer/Rubber Adhesives
| Item | Content |
|---|---|
| Basic Tariff Rate | 0% |
| USITC Supplementary Tax | +0% |
| IEEPA Supplementary Tax | +0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Exemption | ✅ Potentially Applicable (If value < $800 and not restricted) |
| Legal Basis Path | USITC:3506.91.50.00 (General Adhesive Code) |
📌 Explanation:
- This code represents general-purpose adhesives that do not meet the strict "optically clear for displays" criteria.
- Result: 0% Total Tax. This is a significant cost advantage IF the product can legally be classified here.
🛠️ 4. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)
✅ 1. Required Documentation Checklist (Non-Negotiable)
| Document | Must Provide | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly state: "Optically Clear," "Refractive Index," "Used for Flat Panel Displays" |
| ✅ Application Proof | ✔️ | Datasheets, manual excerpts, or BOM (Bill of Materials) showing end-use in display manufacturing |
| ✅ Technical Data Sheet (TDS) | ✔️ | Shows chemical composition (polymers 3901-3913 or rubber) |
| ✅ Commercial Invoice | ✔️ | Must match HS Code description exactly. Avoid vague terms like "Glue" |
| ✅ Certificate of Origin (CO) | ✔️ | Proof of Chinese origin to apply Section 301 tariffs correctly |
| ✅ HS Code Pre-Ruling (Optional but Recommended) | ✔️ | Apply for an Advance Ruling to lock in 3506.91.10.00 vs 3506.91.50.00 |
✅ 2. Classification Strategy (Key Mantra)
🔥 “Optical Clarity + Display Use = 25% Tax | General Use = 0% Tax”
| Scenario | Correct HS Code | Risk of Misclassification |
|---|---|---|
| OCA Film for iPhone Screens | 3506.91.10.00 |
If misclassified as 3506.91.50.00, you may face 25% back-taxes + penalties |
| LOC Liquid for Tablet Assembly | 3506.91.10.00 |
Same as above. Must prove "Solely/Principally" for displays |
| General Structural Adhesive | 3506.91.50.00 |
If misclassified as 3506.91.10.00, you overpay 25% tax |
| Non-Optical Rubber Glue | 3506.91.50.00 |
Must ensure it is NOT used for displays. If it is, you are guilty of tax evasion |
⚠️ Warning:
- Do not use3506.91.50.00for optical adhesives just to save 25%. US Customs (CBP) is highly vigilant about display-related components.
- Do not use3506.91.10.00for general adhesives. You will pay unnecessary 25%.
✅ 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| Mixed Shipment (Optical + General Adhesives) | Declare Separately! Do not combine. If mixed, CBP may classify the entire shipment at the higher tax rate (25%) or request detailed breakdown. |
| "Clear" but Not for Displays | Use 3506.91.50.00. Must provide evidence that it is NOT for displays (e.g., used for paper, wood, general repair). |
| Curable Liquid vs. Free Film | Both 3506.91.10.00 (Free Film) and 3506.91.10.00 (Curable Liquid) are covered. Ensure the description specifies "Optically Clear" and "Display Use." |
| Sample Shipments | Even samples must be classified correctly. Do not use "Sample" to avoid tax if the product is clearly commercial grade. |
🌍 5. Global Main Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Remarks |
|---|---|---|---|---|
| 🇺🇸 USA | 3506.91.10.00 |
25% (Section 301) | No specific tech cert | High tax on optical adhesives |
| 🇺🇸 USA | 3506.91.50.00 |
0% | No specific tech cert | Only for non-optical/general |
| 🇪🇺 EU | 3506.91.10 (approx) |
0% (if GSP/LDC) | REACH | Varies by country |
| 🇨🇳 China | 3506.91.10 |
5-10% | CNCA | Lower than US |
| 🇻🇳 Vietnam | 3506.91.10 |
0% (if local value add) | None | Good for supply chain diversification |
📌 Conclusion:
- USA is the only market with a 25% punitive tax on optical display adhesives.
- If you are exporting to the US, accurate classification is critical.
- If you are exporting general adhesives, ensure you do not label them as "for displays" to avoid the 25% tax.
📌 6. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Calling "Optically Clear Adhesive" simply "Glue"
👉 Consequence: CBP may inspect and reclassify to 3506.91.10.00 → 25% tax + penalty!
❌ Error 2: Using 3506.91.50.00 for OCA to save 25%
👉 Consequence: Tax Evasion charge. CBP has database matches for display manufacturers. Back-taxes + 2x penalty!
❌ Error 3: Mixing Optical and Non-Optical Adhesives in one container
👉 Consequence: CBP may assess 25% on the entire container if documentation is unclear. Split shipments!
❌ Error 4: Ignoring "Solely/Principally" clause
👉 Consequence: If the adhesive is used for other purposes (e.g., bonding chassis), it may not qualify for 3506.91.10.00. Wrong code!
✅ Correct Approach:
“Optically Clear Adhesive Tape, 50mm x 100m, Refractive Index 1.5, Solely for Use in Laminating LCD Modules for Tablets, Model XYZ, No Other Application”
🎯 7. Conclusion: Professional Declaration, Save Costs, Reduce Risks!
🎯 Remember the Mantra:
🔹 “Optical + Display = 25% | General Use = 0%”
🔹 “Don’t hide optical adhesives in general codes. Don’t overpay on general glues.”
📌 Pro Tip:
If your product is borderline (e.g., clear adhesive used for both displays and general electronics), consider:
1. Applying for an Advance Ruling from CBP to lock in the HS Code.
2. Providing robust documentation (TDS, BOM, End-Use Statements) to prove the "Solely/Principally" condition if claiming 3506.91.10.00.
3. Diversifying Supply Chain: If the 25% tax is too high, consider sourcing from or assembling in Vietnam/Malaysia (if eligible for IEEPA exemptions or lower tariffs).
📣 Immediate Action:
📞 Contact a licensed customs broker.
📄 Provide Technical Data Sheets.
📝 Declare accurately to avoid 25% pitfalls!
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Profit Margin Depends on This 25% Decision!
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.