Insulating Woven Sheet
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 6815120000 | 35.0% | CN | US | Official Doc |
| 6815994170 | 35.0% | CN | US | Official Doc |
| 5911203000 | 35.0% | CN | US | Official Doc |
| 5911900080 | 38.8% | CN | US | Official Doc |
| 3921125000 | 41.5% | CN | US | Official Doc |
| 3921135000 | 39.2% | CN | US | Official Doc |
AI Analysis
β‘ Insulating Woven Sheet (Textile Products for Technical Uses)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: What Exactly is an "Insulating Woven Sheet"?
"Insulating Woven Sheet" is a broad commercial term. In international trade, it refers to textile products and articles for technical uses, specifically those designed for electrical insulation, heat resistance, or chemical filtration. It is NOT a standard household fabric like cotton sheets.
In the Harmonized System (HS), these fall under Chapter 59 (Impregnated, Coated, Covered or Laminate Textilefabrics...) and Chapter 68 (Articles of Stone or of Other Mineral Substances...) depending on the material composition.
Key Distinction: * If made of textile fibers (glass, aramid, polyester, fiberglass) used for electrical insulation or filtering β Chapter 59. * If made of carbon fibers or graphite for non-electrical technical uses β Chapter 68.
β οΈ Critical Classification Point:
- If it is a textile (woven) used for technical/insulating purposes β 5911.
- If it is Carbon Fiber Fabric (non-electrical) β 6815.12.
- If it is a Plastic Sheet (cellular) used for insulation β 3921 (Not typically "woven," but often confused).
- If it is a generic mineral article β 6815.99.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Match)
Based on the provided data, here are the precise HS codes for "Insulating Woven Sheet" variants:
| HS Code | Product Description | Application Scenario | Material Type |
|---|---|---|---|
5911.20.30.00 |
Textile products for technical uses: Bolting cloth, whether or not made up: Other: Other (229) | Woven insulating cloth, fiberglass sheets, aramid fabrics for electrical/thermal insulation. | Textile (Glass/Aramid/Polyester) |
5911.90.00.80 |
Textile products for technical uses: Other Other | Generic technical textile sheets not specified elsewhere (e.g., simple insulating mats). | Textile (General) |
3921.12.50.00 |
Other plates, sheets, film, foil and strip, of plastics: Cellular: Of polymers of vinyl chloride: Other | PVC Foam Sheets used for electrical insulation or thermal buffering. (Note: Not woven, but often used as insulation) | Plastic (PVC Cellular) |
3921.13.50.00 |
Other plates, sheets, film, foil and strip, of plastics: Cellular: Of polyurethanes: Other | PU Foam Sheets used for sound/thermal insulation. | Plastic (PU Cellular) |
6815.12.00.00 |
Articles of stone or other mineral substances: Fabrics of carbon fibers | Carbon Fiber Fabric for non-electrical technical uses (e.g., high-strength insulation, heat shields). | Carbon Fiber |
6815.99.41.70 |
Articles of stone or other mineral substances: Other articles: Other Other | Miscellaneous mineral-based insulating articles (e.g., ceramic fiber mats, mineral wool boards). | Mineral/Stones |
π Key Reminder:
- "Woven" strongly points to5911(Textile) or6815.12(Carbon Fiber).
- "Insulating" in plastic forms (3921) refers to cellular/foam sheets, not woven fabrics.
- Ensure your product is actually woven before claiming5911. If itβs a non-woven mat, it may still fall under5911but requires careful description.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Current rates apply (subject to 301 List & IEEPA)
π― 1. 5911.20.30.00 ββ Textile Bolting Cloth / Technical Woven Sheets
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff (Section 301) | +25.0% |
| Total Effective Rate | 25.0% |
| Tax Calculation | CIF Value Γ 25% |
| De Minimis Exemption | β Not Eligible (Section 301 goods are excluded from de minimis) |
| Legal Basis | USITC:5911.20.30.00 β 301 List: HTS 5911 |
π Explanation:
- Base tariff for technical textiles is often 0%, but 25% Section 301 additional duty applies to Chinese-origin technical textiles.
- Total: 25%. This is a significant cost driver for fiberglass/aramid insulating fabrics.
π― 2. 5911.90.00.80 ββ Other Technical Textile Articles
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff (Section 301) | 0.0% |
| Total Effective Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% |
| De Minimis Exemption | β Eligible (If < $800, may be duty-free) |
| Legal Basis | USITC:5911.90.00.80 |
π Note:
- This code has no additional tariffs. However, it is a "catch-all" for technical textiles not elsewhere specified.
- Ensure your product does not fit more specifically into5911.20(Bolting Cloth/Insulating Fabrics) to avoid misclassification audits.
π― 3. 3921.12.50.00 ββ PVC Cellular Plastic Sheets (Insulation)
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| Additional Tariff (Section 301) | +25.0% |
| Total Effective Rate | 31.5% |
| Tax Calculation | CIF Value Γ 31.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis | USITC:3921.12.50.00 β 301 List: HTS 3921 |
π Explanation:
- PVC foam sheets used for insulation are subject to both base tariff and 301 duties.
- Total: 31.5%. High cost impact for PVC-based insulating materials.
π― 4. 3921.13.50.00 ββ PU Cellular Plastic Sheets (Insulation)
| Item | Content |
|---|---|
| Base Tariff | 4.2% |
| Additional Tariff (Section 301) | +25.0% |
| Total Effective Rate | 29.2% |
| Tax Calculation | CIF Value Γ 29.2% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis | USITC:3921.13.50.00 β 301 List: HTS 3921 |
π Explanation:
- Polyurethane foam sheets have a slightly lower base rate (4.2%) but still carry the 25% Section 301 duty.
- Total: 29.2%.
π― 5. 6815.12.00.00 ββ Carbon Fiber Fabric (Non-Electrical)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff (Section 301) | 0.0% |
| Total Effective Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% |
| De Minimis Exemption | β Eligible |
| Legal Basis | USITC:6815.12.00.00 |
π Note:
- Carbon fiber fabrics for non-electrical uses are duty-free.
- CRITICAL: If the carbon fiber is used for electrical purposes, it may fall under different headings with higher tariffs. Ensure the description specifies "Non-Electrical Uses".
π― 6. 6815.99.41.70 ββ Other Mineral Articles
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff (Section 301) | +25.0% |
| Total Effective Rate | 25.0% |
| Tax Calculation | CIF Value Γ 25% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis | USITC:6815.99.41.70 β 301 List: HTS 6815 |
π Explanation:
- Miscellaneous mineral-based insulating materials (e.g., ceramic fibers) are subject to 25% additional duty.
- Total: 25%.
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)
β 1. Required Documentation Checklist (Missing = Delay/Seizure)
| Document | Required | Notes |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must detail material composition (e.g., "100% Fiberglass Woven"), thickness, and technical use (e.g., "Electrical Insulation"). |
| β Composition Analysis | βοΈ | For 5911 vs 6815, prove itβs textile vs. mineral. |
| β Product Photos | βοΈ | Show weave pattern, labeling, and packaging. |
| β Commercial Invoice | βοΈ | Clearly state "Insulating Woven Sheet, Technical Use, HS Code XXXX". |
| β Certificate of Origin | βοΈ | Required for 301 duty assessment. |
| β Usage Declaration | βοΈ | Explicitly state "For Electrical Insulation" or "For Filtration" to match 5911 intent. |
β 2. Classification Strategy (Key Rules)
π₯ βMaterial Defines Code, Use Defines Subheadingβ
| Scenario | Correct HS Code | Risk |
|---|---|---|
| Woven Fiberglass Cloth for electrical insulation | 5911.20.30.00 |
High duty (25%). Must prove "technical use." |
| Generic Woven Mat for packaging/insulation | 5911.90.00.80 |
0% duty. Ensure it doesnβt fit 5911.20. |
| Carbon Fiber Fabric for car parts (non-electrical) | 6815.12.00.00 |
0% duty. Do not describe as "electrical." |
| PVC Foam Sheet for wall insulation | 3921.12.50.00 |
31.5% duty. Not woven, but often confused. |
| Ceramic Fiber Board for furnace insulation | 6815.99.41.70 |
25% duty. Mineral article. |
π Warning:
- Misclassifying5911.20(25%) as5911.90(0%) is a common audit trigger.
- If the product is bolting cloth or filter cloth, it must go to5911.20.
- If itβs carbon fiber, ensure itβs non-electrical to keep 0% duty.
β 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| Mixed Materials | If woven fabric is coated with plastic (3921), classification may shift to Chapter 39. Declare coating % clearly. |
| OEM/Custom Orders | Provide client specs to prove "technical use" for 5911 classification. |
| Small Packages (<$800) | Only 5911.90.00.80 and 6815.12.00.00 are eligible for de minimis. Others are not. |
| Electrical vs. Non-Electrical Carbon Fiber | Critical! Electrical carbon fiber may be classified under Chapter 85 (Electrical machinery) with higher duties. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certifications | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 5911.20.30.00 |
25% (Additional) | N/A | 301 Tariffs Apply. No de minimis. |
| πͺπΊ EU | 5911 (Harmonized) | ~5-7% | CE, REACH | No additional tariffs. |
| π¨π³ China | 5911 | ~5% | CCC (if electrical) | Low import duty, but high domestic regulation. |
| π―π΅ Japan | 5911 | ~5-10% | PSE (if electrical) | No additional tariffs. |
π Conclusion:
- USA is the highest-cost market due to Section 301 tariffs (25% extra).
- EU and Japan are more favorable, with standard rates only.
- Strategy: For US-bound goods, consider supply chain diversification (Vietnam/Mexico) to avoid 301 duties if possible.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Classifying "Woven Insulating Fabric" as 5911.90 (0%) to avoid 25% duty.
π Consequence: Customs audit reveals itβs bolting cloth/filter cloth β Back taxes + Penalties.
β Error 2: Describing Carbon Fiber as "Textile" β 5911.
π Consequence: Incorrect chapter β Seizure or Delay. Carbon Fiber is Chapter 68.
β Error 3: Ignoring "Non-Electrical" requirement for 6815.12.
π Consequence: If used in electrical applications, duty may increase. Label clearly.
β Error 4: Assuming all "insulation" is plastic (3921).
π Consequence: Woven fiberglass is 5911, not 3921. Wrong code β 31.5% vs 25% difference.
β Correct Practice:
"Woven Fiberglass Cloth, Technical Use, Electrical Insulation, 0.5mm Thickness, 100% Glass Fiber, HS Code: 5911.20.30.00"
π― VII. Conclusion: Precision in Classification, Savings in Clearance!
π― Remember the Rules:
πΉ βWoven Technical = 5911β
πΉ βCarbon Non- Electrical = 6815.12 (0%)β
πΉ βPlastic Foam = 3921 (High Duty)β
πΉ βUSA = 25% Additional on Mostβ
π Pro Tip:
If your insulating woven sheet is originating from Vietnam, Mexico, or Thailand, you may be exempt from Section 301 tariffs (check specific rules of origin).
Apply for an Advance Ruling if your product is unique to avoid post-clearance audits.
π£ Immediate Action:
π Contact a Customs Broker + Provide Product Specs + Verify HS Code
π Ensure Smooth Clearance, Avoid Surprises, Protect Your Margins!
β¨ Professional Classification Starts Here!
πΌ Every Dollar Saved is a Dollar Earned!
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.