Refractory Repair Material
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 6902901010 | 35.0% | CN | US | 官方文档 |
| 6808000000 | 35.0% | CN | US | 官方文档 |
| 6902905010 | 35.0% | CN | US | 官方文档 |
| 3801300000 | 39.9% | CN | US | 官方文档 |
商品图片
AI分析
🏗️ Refractory Repair Material: HS Code Classification & US Customs Clearance Guide (2026)
🌐 HS Code Reference & Clearance Strategy | 2026 Latest Tariff Analysis | Professional Compliance Protocol
📌 I. Product Definition & Classification: What is "Refractory Repair Material"?
Refractory Repair Materials are specialized industrial compounds used to restore, patch, or maintain high-temperature industrial equipment such as kilns, furnaces, blast furnaces, and boilers. These materials must withstand extreme thermal shock and chemical erosion.
In international trade, classification depends heavily on the primary material composition (Carbon, Ceramic, Mineral) and form (Paste, Powder, Block).
⚠️ Critical Distinction for Classification:
- Carbon-based/Paste forms: Often classified under Chapter 38 (Miscellaneous Chemical Products) or specific carbon goods.
- Ceramic/Clay-based forms: Classified under Chapter 69 (Ceramic Products).
- Mineral-based/Powder forms: Classified under Chapter 68 (Mineral Products).
- ⚠️ No Material Conflict: The provided data explicitly states that for these HS codes, there are no material conflicts with their respective categories.
📦 II. HS Code Classification Details (Based on Provided Data)
Below are the four most likely HS Code classifications derived from the input data for "Refractory Repair Material," along with their specific tax implications.
| HS Code | Product Description & Match Logic | Primary Application | Material/Form Inference |
|---|---|---|---|
| 3801.30.00.00 | Electrode Carbon Paste & Similar Furnace Lining Pastes | Match Logic: Inferred from "Refractory" name; fits "Furnace Lining Paste" material/use characteristics. No material conflict. | Paste/Form: Carbon-based paste used for lining furnace repairs. |
| 6902.90.10.10 | Refractory Ceramic Construction Articles | Match Logic: Inferred as "Refractory Ceramic"; form is repair material (extension of construction products); consistent with 6902.90 attributes. No material conflict. | Ceramic: Refractory ceramic repair compounds. |
| 6808.00.00.00 | Plants and Articles of Vegetable Fibres Impregnated with Bitumen or Other Material (Note: Data Summary implies Mineral/Particle) | Match Logic: Inferred to contain mineral components (e.g., Bauxite, Magnesia); form is granular or powdery binding products. Fits material composition requirements. | Mineral/Particle: Granular or powdery mineral-based repair mix. |
| 6902.90.50.10 | Other Refractory Ceramic Construction Articles | Match Logic: "Refractory" matches "Refractory Ceramic Construction Articles"; form is semi-finished/auxiliary repair material; "Bottom-of-category" rule allows inference of clay-based refractory content. No conflict with "Clay". | Clay-based Ceramic: Semi-finished repair material with clay-based refractory properties. |
🔍 Key Takeaway:
- The classification varies significantly based on chemical composition (Carbon vs. Ceramic vs. Mineral).
- All listed HS codes have no material conflicts with their definitions, making them viable candidates depending on the exact product specification.
💰 III. 2026 US Tariff Rate Breakdown (Detailed Analysis)
✅ Applicable Country: United States (US)
✅ Origin: China (CN) [Implied by the tax structure: Base + Section 301 + Section 301/IEEPA]
✅ Effective Date: Current rates as per provided data.
🎯 1. 3801.30.00.00 — Carbon Paste / Furnace Lining Material
| Item | Content |
|---|---|
| Base Tariff | 4.9% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff (IEEPA/etc.) | +10.0% |
| Total Effective Tax Rate | 39.9% |
| Calculation Method | CIF Value × 39.9% |
| De Minimis Exemption | ❌ Not Applicable (High tariff rate exceeds threshold for exemption) |
| Legal Basis Path | Base: 3801.30.00.00 → Section 301: +25% → Section 122: +10% |
📌 Explanation:
- This category attracts the highest base tariff (4.9%) among the options.
- The total burden of 39.9% is substantial. Importers must ensure the product is strictly "Carbon Paste" to avoid misclassification penalties.
🎯 2. 6902.90.10.10 — Refractory Ceramic Construction Articles
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tax Rate | 35.0% |
| Calculation Method | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | Base: 6902.90.10.10 → Section 301: +25% → Section 122: +10% |
📌 Explanation:
- Base tariff is 0%, making it more competitive than3801.30.00.00.
- Total rate of 35.0% is 4.9% lower than the carbon paste option.
- Suitable if the material is confirmed as Refractory Ceramic.
🎯 3. 6808.00.00.00 — Mineral-Based Repair Materials (Granular/Powder)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tax Rate | 35.0% |
| Calculation Method | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | Base: 6808.00.00.00 → Section 301: +25% → Section 122: +10% |
📌 Explanation:
- Like6902.90.10.10, this has a 0% base tariff.
- Total rate of 35.0%.
- Best suited for mineral-based, granular, or powdery repair materials (e.g., bauxite/magnesia mixes).
🎯 4. 6902.90.50.10 — Other Refractory Ceramic Articles (Clay-based)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Effective Tax Rate | 35.0% |
| Calculation Method | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | Base: 6902.90.50.10 → Section 301: +25% → Section 122: +10% |
📌 Explanation:
- Also has a 0% base tariff.
- Total rate of 35.0%.
- Uses the "Bottom-of-Category" rule; appropriate if the material is a semi-finished, clay-based refractory repair compound.
🛠️ IV. Customs Clearance Practical Advice (Risk Mitigation)
✅ 1. Documentation Checklist (Essential for Fast Clearance)
| Document | Required? | Purpose |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail Chemical Composition (Carbon % vs. Ceramic % vs. Mineral %). Crucial for choosing between 3801, 6902, or 6808. |
| ✅ MSDS (Material Safety Data Sheet) | ✔️ | Proves non-hazardous nature and composition. |
| ✅ Product Photos (Packaging & Bulk) | ✔️ | Shows form: Paste (tub/pail) vs. Powder (bag) vs. Block. |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Refractory Repair Material" and specify material type. |
| ✅ Certificate of Origin (CO) | ✔️ | Required for Section 301 tariff verification. |
| ✅ Packing List | ✔️ | Details net/gross weight for valuation. |
✅ 2. Declaration Strategy (Key Mnemonic)
🔥 “Form Dictates HS, Composition Dictates Tax!”
| Scenario | Recommended HS Code | Why? |
|---|---|---|
| Black, Paste-like, Conductive | 3801.30.00.00 |
Identified as Carbon Paste; Base Tax 4.9% → Total 39.9%. |
| White/Reddish, Ceramic, Brick/Paste | 6902.90.10.10 or 6902.90.50.10 |
Identified as Ceramic; Base Tax 0% → Total 35.0%. |
| Grey/White, Powder/Granular, Mineral | 6808.00.00.00 |
Identified as Mineral/Binding Agent; Base Tax 0% → Total 35.0%. |
⚠️ Warning:
- Do NOT misdeclare a Carbon Paste as Ceramic to save 4.9%. Customs will request lab tests, leading to delays, fines, and retroactive taxes.
- The Section 301 (25%) and Section 122 (10%) tariffs are mandatory for Chinese origin goods in these categories. They cannot be waived by misclassification.
✅ 3. Special Considerations
| Situation | Advice |
|---|---|
| Multi-material Mix | If the product contains both carbon and ceramic components, declare based on the essential character (primary material by weight or function). |
| Pre-mixed vs. Component | If sold as a complete repair kit (paste + binder), declare the primary functional component. |
| High-Value Shipments | Consider applying for an Advance Ruling from CBP to confirm the HS Code before shipment, avoiding post-import audits. |
🌍 V. Global Market Comparison (2026 Context)
| Market | Typical HS Code | Base Tariff | US Section 301 + 122 | Total Impact on US Import |
|---|---|---|---|---|
| 🇺🇸 USA | 3801/6902/6808 | 0% - 4.9% | +35% (Total 35-40%) | High Cost – Plan accordingly. |
| 🇨🇳 China | 6902/6808 | 0% - 5% | N/A | Low Cost – Domestic production favored. |
| 🇪🇺 EU | 6902/6808 | 0% - 6.5% | N/A (No Section 301) | Moderate – No US-style punitive tariffs. |
📌 Conclusion:
- The US market imposes a significant tariff burden (35-40%) on Chinese-origin refractory repair materials.
- Ceramic/Mineral options (6902/6808) are slightly cheaper than Carbon options (3801) due to the 0% base tariff.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Assuming all "Refractory" materials are the same.
👉 Result: Misclassification of Carbon Paste as Ceramic → Penalty + Back Duties.
👉 Fix: Test chemical composition.
❌ Error 2: Ignoring Section 122 Tariffs.
👉 Result: Underpayment of 10% → Audit + Interest.
👉 Fix: Include 10% in cost calculations.
❌ Error 3: Vague Description on Invoice ("Refractory Stuff").
👉 Result: Customs Detention → Delayed Release.
👉 Fix: Use precise terms: "Carbon-based Refractory Paste for Furnace Repair."
✅ Correct Approach:
"Refractory Repair Material, Carbon-based, Paste Form, for Kiln Lining Restoration. HS Code: 3801.30.00.00."
OR
"Refractory Repair Material, Ceramic-based, Powder Form, for Boiler Lining. HS Code: 6808.00.00.00."
🎯 VII. Conclusion: Strategic Cost Management
🎯 Remember:
🔹 "Check Composition First!" – Carbon (39.9%) vs. Ceramic/Mineral (35.0%).
🔹 "Section 301 + 122 = +35% Mandatory" – No exceptions for Chinese origin.
🔹 "Documentation is Key" – Specs, MSDS, and Photos prevent delays.
📌 Pro Tip:
If your product is not of Chinese origin, check for Free Trade Agreement (FTA) benefits or lower Section 301 rates. However, for China-origin goods, the 35-40% effective rate is unavoidable.
📣 Immediate Action:
📞 Verify Product Composition with your supplier.
📄 Prepare Technical Data Sheets showing material breakdown.
🚀 Calculate Landed Cost including the 35-40% tariff to ensure profitability.
✨ Precision in Classification Saves Thousands in Duties!
💼 Your Supply Chain Efficiency Starts with Accurate HS Codes!
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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。