spherical graphite wear resistant material
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🌐 Spherical Graphite Wear Resistant Material | HS Code, Tariffs & Clearing Guide 2026
📌 Product Definition & Classification: What is Spherical Graphite Wear Resistant Material?
Spherical Graphite Wear Resistant Material is a specialized industrial material derived from natural or synthetic graphite. It is processed into a spherical morphology to enhance packing density, flowability, and uniformity. Due to its high hardness, excellent lubricity, self-lubricating properties, and thermal stability, it is widely used in:
- Anti-wear coatings for machinery, pumps, and valves.
- Friction materials such as brake pads and clutch linings.
- Lubricants and lubricating additives in greases and oils.
- Mold release agents in high-temperature industrial applications.
- Sealants and gaskets where chemical resistance is required.
⚠️ Key Distinction:
- Raw Spherical Graphite (powder form, unbound) → Classified under Chapter 38 (Prepared Binders) or Chapter 25 (Mineral Products) depending on treatment.
- Finished Wear-Resistant Coating/Composition (mixed with binders, resins, or other additives) → Classified under Chapter 38 (Prepared Anti-Knock Preparations, Prepared Lubricants, etc.).
- Natural Graphite (unprocessed) → Classified under 2504.10.🔍 Critical Classification Point:
- If the product is pure spherical graphite powder without binders → HS 2504.10.00
- If it is spherical graphite mixed with resins/binders for wear-resistant applications → HS 3813.00.00 or 3819.00.00 depending on formulation.
📦 HS Code Classification Details (2026 Latest Tariff Schedule)
| HS Code | Product Description | Application Scenario | Contains Binders? |
|---|---|---|---|
2504.10.00.00 |
Natural graphite, whether or not powdered, but not otherwise worked | Raw spherical graphite powder, unbound | ❌ No |
3813.00.00.00 |
Prepared anti-knock preparations and prepared liquid media for pneumatic brakes | Spherical graphite mixed with binders for wear-resistant coatings | ✅ Yes |
3819.00.00.00 |
Prepared lubricants and anti-friction preparations | Spherical graphite used in lubricating greases or anti-wear additives | ✅ Yes |
3907.90.90.00 |
Other primary forms of polymers | Graphite-based composite materials with polymer matrix | ✅ Yes |
8413.91.00.00 |
Parts of liquid pumps | Wear-resistant graphite components for pumps | ✅ Yes |
🔍 Important Note:
- Pure spherical graphite powder (no binders) is classified under 2504.10.00.00.
- If mixed with binders for wear-resistant applications, it falls under 3813.00.00.00 or 3819.00.00.00.
- Composite materials (graphite + polymer) are classified under 3907.90.90.00.
💰 2026 Latest Tariff Rates (Including Surcharges)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: November 10, 2025 (and onwards)
🎯 1. 2504.10.00.00 – Natural Graphite, Powdered
| Item | Details |
|---|---|
| Base Tariff | 0% |
| USITC Surcharge | +25% (under USITC Footnote 9903.88.01) |
| IEEPA Surcharge | +10% (for China/HK products, effective Nov 10, 2025) |
| Total Tariff | 45% |
| Tax Calculation | CIF Value × 45% |
| De Minimis Exemption | ❌ Not Available (deny_de_minimis) |
| Legal Pathway | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:2504.10.00.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- The 25% USITC surcharge is part of the Section 301 tariffs.
- The 10% IEEPA surcharge is an additional tariff on Chinese goods under the International Emergency Economic Powers Act.
- Total 45% is extremely high. Pre-planning is essential!
🎯 2. 3813.00.00.00 – Prepared Anti-Knock Preparations
| Item | Details |
|---|---|
| Base Tariff | 0% |
| USITC Surcharge | +25% |
| IEEPA Surcharge | +10% |
| Total Tariff | 45% |
| Tax Calculation | CIF Value × 45% |
| De Minimis Exemption | ❌ Not Available |
| Legal Pathway | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3813.00.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- If the spherical graphite is mixed with binders for wear-resistant applications, it is classified under 3813.00.00.00.
- Same tariff structure as raw graphite.
🎯 3. 3819.00.00.00 – Prepared Lubricants
| Item | Details |
|---|---|
| Base Tariff | 0% |
| USITC Surcharge | +25% |
| IEEPA Surcharge | +10% |
| Total Tariff | 45% |
| Tax Calculation | CIF Value × 45% |
| De Minimis Exemption | ❌ Not Available |
| Legal Pathway | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3819.00.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- If spherical graphite is used in lubricating greases or anti-friction preparations, it falls under 3819.00.00.00.
- Same high tariff structure.
🛠️ Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Required Documents (All Mandatory)
| Document | Mandatory | Notes |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Includes particle size, purity, spherical ratio, melting point |
| ✅ Technical Data Sheet (TDS) | ✔️ | Shows formulation (if mixed with binders) |
| ✅ Product Photos (with Label) | ✔️ | Clear view of model, brand, and packaging |
| ✅ Third-Party Test Report | ✔️ | ISO, ASTM, or SGS certification |
| ✅ Commercial Invoice | ✔️ | Accurately describe product: "Spherical Graphite Wear-Resistant Material" |
| ✅ Certificate of Origin (CO) | ✔️ | If not Chinese origin, may qualify for preferential rates |
| ✅ Packing List | ✔️ | Clarify whether product is pure graphite or composite |
✅ 2. Declaration Tips (Key Mantras)
🔥 “Pure Graphite = 2504, Mixed = 3813/3819, Composite = 3907, Declare Accurately!”
| Scenario | Correct Declaration | Incorrect Practice |
|---|---|---|
| Pure spherical graphite powder | 2504.10.00.00 |
Misclassified as lubricant → 45% vs. 45% (same) |
| Graphite + binder wear coating | 3813.00.00.00 |
Misclassified as raw graphite → 45% vs. 45% (same) |
| Graphite in lubricating grease | 3819.00.00.00 |
Misclassified as raw graphite → 45% vs. 45% (same) |
| Graphite-polymer composite | 3907.90.90.00 |
Misclassified as raw graphite → 45% vs. 45% (same) |
✅ 3. Special Cases
| Scenario | Handling Advice |
|---|---|
| OEM Customized Spherical Graphite | Provide client order + technical specs to avoid reclassification |
| Graphite for Medical Devices | Apply for "non-commercial use" exemption if applicable |
| Graphite for Aerospace/Military | Apply for "special use" declaration, potentially lower tariffs |
| Graphite from Vietnam/Mexico | May qualify for IEEPA exemption, tariffs only 0%~5% |
🌍 Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 2504.10.00.00 / 3813.00.00.00 |
45% | FCC, RoHS | High tariff for Chinese goods |
| 🇨🇳 China | 2504.10.00.00 |
5% | CCC, RoHS | No additional surcharges |
| 🇪🇺 EU | 2504.10.00.00 |
0% | CE, REACH | No surcharges |
| 🇦🇺 Australia | 2504.10.00.00 |
5% | RCM | No surcharges |
| 🇯🇵 Japan | 2504.10.00.00 |
0% | PSE | No surcharges |
📌 Conclusion:
- USA is the only major market with high surcharges for Chinese-origin spherical graphite.
- Chinese-origin spherical graphite has extremely high clearance costs in the US. Consider supply chain adjustments or pre-clearance rulings.
📌 Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Declaring "graphite" without specifying spherical vs. flaky
👉 Consequence: Incorrect classification → 45% vs. 45% (same, but delays)
❌ Mistake 2: Mixing pure graphite with binders but declaring as "raw graphite"
👉 Consequence: Customs may reject → 45% vs. 45% (same, but fines)
❌ Mistake 3: Failing to provide TDS or test reports
👉 Consequence: Customs cannot verify classification → Delays or return
❌ Mistake 4: Using vague terms like "wear-resistant material"
👉 Consequence: Customs misclassifies → 45% vs. 45% (same, but penalties)
✅ Correct Practice:
“Spherical Graphite Wear-Resistant Material, Particle Size: 5-10μm, Purity: 99.9%, Mixed with Epoxy Resin, for Industrial Coatings, Model XYZ, FCC & RoHS Certified”
🎯 Conclusion: Professional Declaration, Cost Efficiency, Compliance
🎯 Key Takeaways:
🔹 “Pure Graphite = 2504, Mixed = 3813/3819, Composite = 3907”
🔹 “Tariff is 45% for China-origin in the US. Plan ahead!”
🔹 “HS Code determines your cost. Declare accurately!”
📌 Pro Tip:
If your spherical graphite is sourced from Vietnam, Mexico, Thailand, or Malaysia, you may qualify for IEEPA exemptions, with tariffs only 0%~5%.
Consider pre-clearance rulings to avoid risks.
📣 Immediate Action:
📞 Contact a professional customs broker + provide product specs + apply for HS Code pre-ruling
🚀 Ensure smooth clearance, efficient export, and profit maximization!
✨ Professional clearance starts with accurate classification!
💼 Every cent counts!
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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。