cork sound damping pads
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 4504105000 | 35.0% | CN | US | 官方文档 |
| 6808000000 | 35.0% | CN | US | 官方文档 |
| 4504102000 | 35.0% | CN | US | 官方文档 |
| 4503906000 | 49.0% | CN | US | 官方文档 |
| 4504900000 | 35.0% | CN | US | 官方文档 |
商品图片
AI分析
🌿 Cork Sound Damping Pads (Cork Insulation Materials)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Logistics Strategy
📌 I. Product Definition and Classification: Do You Really Understand “Cork Sound Damping Pads”?
Cork sound damping pads are specialized acoustic and thermal insulation products derived from the bark of the Quercus suber (cork oak). In international trade, they are strictly classified based on their raw material purity, physical state, and manufacturing process. Misclassification often leads to severe customs delays or incorrect tariff calculations.
There are two primary categories for Cork Insulation Materials: 1. Pure/Compressed Cork Products: Made primarily from natural cork granules or sheets, retaining the cellular structure of the bark. These fall under Heading 45. 2. Cork-Composite/Waste-Based Boards: Made from cork dust, waste, or mixed with other vegetable fibers/wood waste. These may fall under Heading 45 or Heading 68 (Mineral Products/Asbestos-Cement/Cellular Concrete), depending on the binder and composition.
⚠️ Key Distinction Point: - If the product is 100% natural cork (granules, sheets, or compressed blocks) → Classify under 4504.10.xx or 4504.90.00. - If the product contains cork waste/dust mixed with wood fibers or other binders to form rigid boards → Classify under 6808.00.00 or 4504.90.00. - If the product is a finished consumer good (e.g., a cork coaster/placemat) not used for industrial insulation → Classify under 4503.90.60.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Material Composition |
|---|---|---|---|
4504.10.50.00 |
Cork Insulation Material, Sheet/Strip | Raw cork sheets, strips, or plates for thermal/acoustic insulation | ✅ Pure/Compressed Cork |
6808.00.00.00 |
Cork/Plant Fiber Insulation Board | Rigid boards made from cork waste, wood fibers, or composite plant materials | ✅ Cork Waste + Wood/Fiber Binders |
4504.10.20.00 |
Compressed Cork Insulation | Compressed cork blocks/sheets for industrial insulation/thermal barriers | ✅ Compressed Natural Cork |
4503.90.60.00 |
Cork Place Mats (Non-Insulation) | Finished consumer goods like placemats, coasters (not primarily for insulation) | ✅ Natural Cork (Finished Good) |
4504.90.00.00 |
Other Cork Products/Articles | General cork articles, combinations of cork, or other unclassified cork制品 | ✅ Mixed/Other Cork Forms |
🔍 Critical Reminder: - Insulation Function is Key: If the product is marketed as "Sound Damping" or "Thermal Insulation," customs officials will scrutinize whether it fits 4504 (Cork Articles) or 6808 (Insulating Boards). - Material Purity Matters: Pure cork granules pressed together = 4504. Cork dust glued with wood pulp = 6808 or 4504.90 depending on the primary character. - Avoid "Coaster" Classification: Do not declare industrial sound damping pads as "Placemats" (4503) unless they are clearly finished consumer retail items, otherwise it will be deemed a false declaration.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (Including subsequent imports)
🎯 1. 4504.10.50.00 & 4504.10.20.00 — Pure/Compressed Cork Insulation
| Item | Content |
|---|---|
| Base Tariff | 0% (ad valorem) |
| USITC Surcharge | +25% (Under Section 301 of the Trade Act) |
| IEEPA Surcharge | +10% (Targeted at China/HK products, effective Nov 10, 2025) |
| Total Tariff Rate | 35% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:4504.10.xx → FOOTNOTE:301/IEEPA |
📌 Explanation: - "Base Tariff 0%": Standard MFN rate for cork articles is often low or zero, but... - "USITC Surcharge 25%": Added under Section 301 for specific Chinese goods. - "IEEPA Surcharge 10%": The new 122-Clause/IIEPA surcharge on Chinese imports. - Total 35%: This is a high-cost category for pure cork insulation. Must be factored into pricing.
🎯 2. 6808.00.00.00 — Cork/Plant Fiber Composite Boards
| Item | Content |
|---|---|
| Base Tariff | 0% (ad valorem) |
| USITC Surcharge | +25% |
| IEEPA Surcharge | +10% |
| Total Tariff Rate | 35% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption Eligible? | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:6808.00.00 → FOOTNOTE:301/IEEPA |
📌 Note: - Even though this is classified under Chapter 68 (Mineral Products/Boards), the surcharge structure is identical to Chapter 45 cork products. - If your product is a rigid board made from cork waste and wood fibers, it may be classified here. The tax burden remains 35%.
🎯 3. 4503.90.60.00 — Cork Place Mats (Consumer Goods)
| Item | Content |
|---|---|
| Base Tariff | 14% |
| USITC Surcharge | +25% |
| IEEPA Surcharge | +10% |
| Total Tariff Rate | 49% |
| Tax Calculation | CIF Value × 49% |
| De Minimis Exemption Eligible? | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:4503.90.60 |
📌 Critical Warning: - Do NOT misdeclare insulation pads as "Place Mats" to save on the base rate! - If customs inspects and finds the item is clearly used for industrial sound damping (not dining), they will reclassify it to 4504.10 or 6808, leading to penalties for false declaration. - The 49% rate is significantly higher than the 35% for insulation materials. Accuracy is cheaper than fraud.
🎯 4. 4504.90.00.00 — Other Cork Articles
| Item | Content |
|---|---|
| Base Tariff | 0% (ad valorem) |
| USITC Surcharge | +25% |
| IEEPA Surcharge | +10% |
| Total Tariff Rate | 35% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption Eligible? | ❌ No |
📌 Note: - This is a "catch-all" for cork products not specifically listed elsewhere. - If your "sound damping pad" has unique features not covered by 4504.10, this may be the correct code. The rate is still 35%.
🛠️ IV. Customs Clearance Operational Advice (Practical Pitfall Avoidance)
✅ 1. Required Documentation Checklist (Non-negotiable)
| Document | Required? | Explanation |
|---|---|---|
| ✅ Product Specifications Sheet | ✔️ | Must detail: Material composition (e.g., "98% natural cork, 2% binder"), thickness, density, acoustic NRC rating. |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Especially if binders or adhesives are used (for 6808 classification). |
| ✅ Commercial Invoice | ✔️ | Must clearly state: "Cork Insulation Board" or "Sound Damping Pad," NOT just "Cork Product." |
| ✅ Packing List | ✔️ | List dimensions, weight, and quantity. |
| ✅ Photos of Product & Label | ✔️ | Show texture, packaging, and any "Made in China" labels. |
| ✅ Certificate of Origin (CO) | ✔️ | To prove origin and apply for any potential exemptions (if applicable). |
✅ 2. Declaration Tips (Key Mantras)
🔥 “Define Material, State Function, Avoid Ambiguity!”
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure Cork Sheets | 4504.10.50.00 - "Cork Insulation Sheet, Natural" |
"Cork Board" (Too vague) |
| Composite Cork/Wood Board | 6808.00.00.00 - "Insulating Board, Cork-Waste Composite" |
"Wood Panel" (Wrong chapter) |
| Industrial Damping Pads | 4504.10.20.00 - "Compressed Cork for Acoustic Insulation" |
"Place Mats" (False classification) |
| General Cork Items | 4504.90.00.00 - "Other Cork Articles, Insulation Purpose" |
"Cork Gift" |
✅ 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Pads | Provide the client’s spec sheet proving the use for "acoustic insulation." |
| Mixed Materials | If the product contains >10% synthetic binders, customs may challenge the "Cork" classification. Be prepared with MSDS. |
| Small Samples | Even under $800, if declared as "Insulation," the 35% tax may apply. No de minimis exemption for these HS codes from China. |
| Re-export from 3rd Country | If shipped from Vietnam/Malaysia, ensure the "substantial transformation" rule is met to avoid US origin labeling requirements. |
🌍 V. Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 4504.10.50.00 / 6808.00.00.00 |
35% (China Origin) | None specific | High Surcharge. No de minimis. |
| 🇨🇳 China | 4504.10.50.00 |
0-5% (Export) | N/A | Low export tax, high import tax to US. |
| 🇪🇺 EU | 4504.10.00 |
0-5% | CE (if construction product) | No Section 301 equivalent. Lower cost. |
| 🇬🇧 UK | 4504.10.00 |
0-5% | UKCA | Post-Brexit rules apply. |
| 🇯🇵 Japan | 4504.10.00 |
0-5% | PSE (if electrical adj.) | Generally low tariffs. |
📌 Conclusion: - The US Market is the Most Expensive for Chinese-origin cork insulation due to the 35% cumulative tariff. - EU/Asia Markets offer significantly lower tariff barriers. - Consider supply chain diversification if targeting the US heavily.
📌 VI. Common Mistakes & Pitfall Guide (Lessons Learned)
❌ Mistake 1: Declaring industrial sound damping pads as "Cork Place Mats" (4503) 👉 Consequence: If caught, customs will reclassify to 4504 or 6808, resulting in penalties + back taxes. The 49% rate is not a "savings" strategy; it’s a liability.
❌ Mistake 2: Using vague descriptions like "Cork Board" 👉 Consequence: Customs cannot determine if it’s pure cork (4504) or composite (6808). Leads to audit delays and potential storage fees.
❌ Mistake 3: Assuming De Minimis ($800) applies 👉 Consequence: False. HS Codes 4504 and 6808 from China are excluded from de minimis exemption. Even small samples are subject to the 35% tariff.
❌ Mistake 4: Ignoring the Binder/Composite Nature 👉 Consequence: If the pad contains significant synthetic glue, it might be classified under Chapter 39 (Plastics) or Chapter 68, leading to different surcharges.
✅ Correct Approach:
“Natural Cork Insulation Sheet, 5mm Thick, Compressed Granules, for Acoustic Damping, Model XYZ, Made in China”
🎯 VII. Conclusion: Professional Declaration, Cost Control, Efficiency!
🎯 Remember the Mantra:
🔹 “Pure Cork = 4504, Composite = 6808, Consumer Good = 4503 (Risky)”
🔹 “35% Tariff is Mandatory, No De Minimis, Accuracy is Profit!”
🔹 “Don’t Lie About ‘Place Mats,’ Customs Will Check the MSDS!”
📌 Pro Tip:
If your cork products are sourced from Portugal, Spain, or Morocco, you may qualify for lower or zero tariffs under preferential trade agreements or due to different origin rules. For US shipments, consider applying for a Prior Determination (Advance Ruling) from CBP to secure your HS Code classification and avoid post-clearance audits.
📣 Immediate Action:
📞 Contact a licensed customs broker + Provide detailed material specs + Apply for Advance Ruling
🚀 Ensure your Cork Sound Damping Pads clear customs smoothly, minimize tax liabilities, and maximize profit margins!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every Percentage Point of Tariff is a Point of Profit Lost!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。