纳米布
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3802100050 | 39.8% | CN | US | Official Doc |
| 3802905000 | 39.8% | CN | US | Official Doc |
| 2530908050 | 10.0% | CN | US | Official Doc |
| 2530908015 | 10.0% | CN | US | Official Doc |
AI Analysis
🌿 Namibian Products / Mineral & Carbon-Based Materials
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional通关 Strategy
📌 I. Product Definition & Classification: What Exactly is "Namibian"?
In the context of international trade data provided, "Namibian" (纳米布) refers not to a single geographic entity, but to raw materials originating from or resembling products from the Namib region, specifically categorized into two main groups:
- Carbon-Based/Activated Carbon Materials: Derived from carbonaceous sources (wood, coal, coconut shell) or mineral derivatives, often associated with high-purity filtration or industrial applications.
- Mineral-Based Products: Unlisted minerals or mineral-character substances, potentially including industrial sands, clays, or other raw geological materials.
⚠️ Key Distinction:
- Carbon/Activated Carbon: High processing value, strict HS codes under Chapter 38. High Tax Burden. - Raw Minerals: Low processing value, HS codes under Chapter 25. Low Tax Burden.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, there are 4 specific HS Codes split into two tax tiers.
| HS Code | Product Description | Summary Description | Tax Tier |
|---|---|---|---|
3802.90.50.00 |
Carbon-based or mineral-derived materials, fitting activated carbon / natural mineral product categories | Fits "Activated Carbon" or similar refined carbon products | High Tax |
3802.10.00.50 |
Carbon-based materials, fitting other types of activated carbon | Generic "Other Activated Carbon" | High Tax |
2530.90.80.50 |
Mineral类产品, fitting other unlisted minerals | "Other Unlisted Minerals" | Low Tax |
2530.90.80.15 |
Mineral or mineral-character substances, fitting other mineral substances | "Other Mineral Substances" | Low Tax |
🔍 Critical Insight:
- The 38xx series (Carbon/Activated Carbon) is subject to heavy tariffs due to trade restrictions. - The 2530 series (Raw Minerals) is subject to minimal tariffs, assuming correct classification as "unlisted minerals."
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN) (Note: Tariffs listed reflect US-China trade dynamics based on "122 Clause" and USITC rules)
✅ Effective Time: 2025/2026 (Current Framework)
🎯 1. 3802.90.50.00 & 3802.10.00.50 —— Carbon/Activated Carbon Materials
These products fall under Chapter 38, which is heavily scrutinized and taxed.
| Item | Content |
|---|---|
| Basic Tariff (MFN) | 4.8% (Ad Valorem) |
| Section 301 Surtax | +25.0% (USITC Footnote applicable to Chinese origin) |
| Clause 122 Tariff | +10.0% (Specific regulatory surcharge) |
| Total Tax Rate | 39.8% |
| Tax Calculation | CIF Value × 39.8% |
| De Minimis Exemption | ❌ Not Eligible (Denied) |
| Legal Basis | USITC Tariff Schedule → Section 301 List → Clause 122 Provisions |
📌 Explanation:
- Basic 4.8%: Standard Most Favored Nation (MFN) rate for activated carbon. - 301 Surtax 25%: Added due to US-China trade war measures on specific chemical/mineral products. - Clause 122 10%: An additional regulatory levy often applied to strategic or dual-use materials. - Total 39.8%: This is a significant cost driver. Proper classification is vital to avoid misclassification penalties.
🎯 2. 2530.90.80.50 & 2530.90.80.15 —— Unlisted Minerals & Mineral Substances
These products fall under Chapter 25, which generally has lower tariffs for raw materials.
| Item | Content |
|---|---|
| Basic Tariff (MFN) | 0.0% (Ad Valorem) |
| Section 301 Surtax | 0.0% (Exempt from 301 list for these subheadings) |
| Clause 122 Tariff | +10.0% (Regulatory surcharge still applies) |
| Total Tax Rate | 10.0% |
| Tax Calculation | CIF Value × 10.0% |
| De Minimis Exemption | ❌ Not Eligible (Denied) |
| Legal Basis | USITC Tariff Schedule → Chapter 25 Provisions → Clause 122 |
📌 Explanation:
- Basic 0%: Raw minerals often enter duty-free under MFN. - 301 Exemption: These specific "unlisted mineral" codes are not on the Section 301 list, saving 25% compared to carbon products. - Clause 122 10%: The only surcharge applied. - Total 10%: A highly competitive tax rate, making this classification strategically valuable if the product qualifies.
🛠️ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)
✅ 1. Documentation Checklist (Non-negotiable)
| Document | Required? | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail: Composition (Carbon % vs. Mineral %), Purity, Mesh Size, Origin. |
| ✅ Certificate of Analysis (COA) | ✔️ | Critical for distinguishing between "Activated Carbon" (Ch 38) and "Mineral" (Ch 25). |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Required for chemical classification. |
| ✅ Commercial Invoice | ✔️ | Clear description: e.g., "Activated Carbon, Powder, 98% Pure" vs. "Natural Mineral Powder." |
| ✅ Packing List | ✔️ | Must match invoice exactly. |
| ✅ Origin Certificate | ✔️ | To prove Chinese origin (for 301/Clause 122 application). |
✅ 2. Declaration Strategy (Key Mantra)
🔥 “Carbon High, Mineral Low, Specify Type, Avoid Penalty!”
| Scenario | Correct HS Code | Incorrect Action | Consequence |
|---|---|---|---|
| Activated Carbon (Refined) | 3802.10.00.50 or 3802.90.50.00 |
Misclassify as "Mineral" | 29.8% Underpayment Penalty + Back Taxes |
| Raw Mineral Dust/Sand | 2530.90.80.50 or 2530.90.80.15 |
Misclassify as "Activated Carbon" | Overpaying 29.8% unnecessarily |
| Mixed/Unspecified "Namibian" | HIGH RISK | Vague description "Mineral Mix" | Customs Audit, Delay, Rejection |
✅ 3. Special Handling Tips
| Situation | Recommendation |
|---|---|
| "Namibian" Brand vs. Origin | Ensure the HS code reflects the material composition, not just the brand name. |
| Carbonized vs. Raw | If the material has been pyrolyzed or activated, it MUST go to Ch 38 (39.8%). Raw/mineral stays Ch 25 (10%). |
| Packaging | Indicate if the product is for filtration (likely Carbon) or construction/industrial filler (likely Mineral). |
| Pre-Ruling | If unsure, apply for an Advance Ruling from CBP. The difference between 10% and 39.8% is massive. |
🌍 V. Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Tariff Rate | Notes |
|---|---|---|---|
| 🇺🇸 USA | 3802.xx.xx.xx / 2530.xx.xx.xx |
39.8% or 10.0% | Heavy surcharges for Carbon; Minimal for Minerals. |
| 🇨🇳 China | 3802.xx.xx / 2530.xx.xx |
~10-15% | Import duties apply, but no US-style surtaxes. |
| 🇪🇺 EU | 3802 / 2530 |
~6.5% (Carbon) / ~0-3% (Mineral) | No US-equivalent 301 tariffs, but VAT applies. |
| 🇯🇵 Japan | 3802 / 2530 |
~6% (Carbon) / ~0-3% (Mineral) | Standard MFN rates apply. |
📌 Conclusion:
- The US market is the most challenging due to the 39.8% tax on carbon products. - If your product is 100% Raw Mineral, fighting for the2530classification can save ~30% in costs. - If your product is Activated Carbon, budget for 39.8%; there is no easy exemption.
📌 VI. Common Errors & Pitfalls (Blood & Tears Lessons)
❌ Mistake 1: Labeling "Activated Carbon" as "Natural Charcoal" or "Mineral Dust" to avoid high tariffs.
👉 Consequence: Customs lab test will identify high surface area/porosity → Seizure + Fine.
❌ Mistake 2: Not specifying "Activated" vs. "Raw" in the commercial invoice.
👉 Consequence: Customs default to the highest taxable code or hold cargo for weeks.
❌ Mistake 3: Assuming "Namibian" implies a specific HS code.
👉 Consequence: "Namibian" is a brand/origin descriptor, not an HS code. Must classify by material.
✅ Correct Practice:
"Activated Carbon, Coconut Shell Based, Powder, 400 Mesh, for Filtration, HS: 3802.10.00.50"
OR
"Natural Mineral Powder, Unspecified Use, HS: 2530.90.80.50"
🎯 VII. Conclusion: Precise Classification is Profit
🎯 Remember the Mantra:
🔹 "Carbon = 39.8%, Mineral = 10%. Know your material!"
🔹 "Don't guess the HS Code. The 29.8% difference is real money."
📌 Pro Tip:
If your product is a hybrid (e.g., mineral-coated carbon), consult a customs broker before shipment. Misclassification of "functional materials" is the #1 cause of US Customs delays.
📣 Immediate Action:
📞 Contact a Certified Customs Broker
📄 Provide COA & Material Safety Data Sheet (MSDS)
🚀 Secure the Correct HS Code Early to Avoid Surprises at Port!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Your Profit Margin Depends on the Decimal Point!
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.