活性炭定制炭
CN → USAI Analysis
🌿 Activated Carbon Custom Charcoal (活性炭定制炭)
🌐 HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional通关 Strategy
📌 I. Product Definition & Classification: What is "Custom Activated Carbon"?
"Custom Activated Carbon" refers to activated carbon that has been processed, shaped, or treated according to specific customer requirements (e.g., pellet size, pore structure, impregnation, or binding agents). In international trade, the classification hinges on material identity vs. functionality.
There are two main classification paths: 1. As a Chemical Material (Raw/Medium): If the carbon is primarily valued for its chemical/physical properties as an adsorbent or filtering medium, it falls under Chapter 38. 2. As Part of a Machine/Device: If the carbon is integral to a specific air purification device or filtration system where the system defines the product, it may fall under Chapter 84.
⚠️ Key Distinction Point:
- Is it sold as a standalone material/fill? → Chapter 38 (Likely 3802.10 or 3802.90)
- Is it sold as part of a specific air filtering unit? → Chapter 84 (Likely 8421.39)
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Mapping)
| HS Code | Product Description | Application Scenario | Key Classification Logic |
|---|---|---|---|
3802.10.00.10 |
Activated Carbon (Coal-based) | Standard coal-derived activated carbon; common industrial use. | Matches "Coal" origin explicitly mentioned in summary. |
3802.10.00.50 |
Activated Carbon (Other) | Generic activated carbon where source (coal/coconut) is unspecified or mixed. | "Other" category;兜底 (fallback) for unspecified origin. |
3802.90.50.00 |
Activated Carbon (General) | Broad category for activated carbon products not specified elsewhere. | Direct match to "Activated Carbon" material name. |
8421.39.01.15 |
Other Air Purifying Apparatus | Carbon used as a filtering medium in air purifiers/filters. | Matches "Filtering/Purifying" function + Material (Carbon). |
8421.39.01.60 |
Air/Fluid Purifying Devices | Carbon as a filling medium for pneumatic/fluid purification. | Matches "Primary product/raw material" form for filtration. |
🔍 Critical Note:
- If the product is loose carbon or carbon in bags/packaging for refill, Chapter 38 is highly likely. - If the product is a cartridge, filter housing, or integrated unit containing the carbon, Chapter 84 is more appropriate. - "Custom Service" in the name does not override the physical nature of the goods; substance matters more than service for tariff purposes.
💰 III. 2026 Latest Tariff Rate Breakdown (US Import from China)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: From November 10, 2025 (and subsequent imports)
🎯 1. 3802.10.00.10 / 3802.10.00.50 / 3802.90.50.00 — Activated Carbon (Material)
| Item | Detail |
|---|---|
| Base Tariff | 4.8% (Ad Valorem) |
| Section 301 Tariff (USITC) | +25.0% (Additional duty on Chinese goods) |
| IEEPA Tariff (122 Clause) | +10.0% (Additional duty under International Emergency Economic Powers Act) |
| Total Tariff Rate | 39.8% |
| Tax Calculation | CIF Value × 39.8% |
| De Minimis Exemption | ❌ Not Applicable (De Minimis does not apply to goods subject to Section 301/IEEPA tariffs) |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:3802.10.00.50 → FOOTNOTE:3802 |
📌 Explanation:
- Base Rate (4.8%): Standard MFN rate for activated carbon. - Section 301 (25%): Applies to most chemical products from China. - IEEPA (10%): Additional surcharge for national security/emergency powers. - Total 39.8%: This is a high-cost category. Importers must calculate landed cost accurately.
🎯 2. 8421.39.01.15 / 8421.39.01.60 — Air Purifying Apparatus (Filtered Units)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% (Ad Valorem) |
| Section 301 Tariff (USITC) | +25.0% (Additional duty on Chinese goods) |
| IEEPA Tariff (122 Clause) | +10.0% (Additional duty under IEEPA) |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:8421.39.01.15 → FOOTNOTE:8421 |
📌 Explanation:
- Base Rate (0%): Many machinery/filtering units have 0% base duty. - Section 301 (25%): Still applies to Chinese-made machinery/parts. - IEEPA (10%): Still applies. - Total 35.0%: Slightly lower than the material classification (39.8%), but only applies if the product is classified as a "device" rather than raw material. Misclassification risk is higher here.
🛠️ IV. Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Documentation Checklist (Must-Have)
| Document | Required | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail: Carbon type (coal/coconut), pore size, mesh size, binding agents. |
| ✅ Commercial Invoice | ✔️ | Clearly state: "Activated Carbon for [Air Purification/Filtration]". Avoid vague terms like "Custom Charcoal". |
| ✅ Packing List | ✔️ | Specify net/gross weight. If it's a filter cartridge, include model number. |
| ✅ Certificate of Origin (CO) | ✔️ | Required for verifying Country of Origin (China). |
| ✅ Test Report | ✔️ | ASTM/ISO standards for adsorption capacity, moisture, ash content. |
| ✅ Form D (if applicable) | ❌ | Not applicable for US-China trade (no FTZ benefit currently). |
✅ 2. Declaration Tips (Key Mantra)
🔥 “Material vs. Device: Decide First, Declare Second!”
| Scenario | Correct HS Code | Risk if Wrong |
|---|---|---|
| Loose Carbon / Carbon Pellets | 3802.10.00.50 (39.8%) |
Misdeclaring as 8421 (35.0%) → Undervaluation + Penalty |
| Carbon Filter Cartridge (Integrated) | 8421.39.01.15 (35.0%) |
Misdeclaring as 3802 (39.8%) → Overpayment (but safer from customs view) |
| "Custom Service" Included | Still HS Code based on physical good | "Service" cannot change HS classification. |
| Unspecified Carbon Source | 3802.10.00.50 (39.8%) |
Try to specify coal/coconut to use 3802.10.00.10 (if coal) to avoid "Other" scrutiny. |
📌 Warning:
- Customs may challenge8421codes if the product is essentially just carbon granules in a simple bag, arguing it’s a material (3802), not a machine. -8421is for apparatus. If it’s just a filter refill,3802is safer and more accurate.
✅ 3. Special Cases
| Case | Handling Advice |
|---|---|
| Impregnated Carbon (e.g., with potassium permanganate) | Still 3802 but may require additional chemical safety data (SDS). |
| Carbon with Binders/Fillers | If >50% carbon by weight, still 3802. If it’s a complex composite, review 3824. |
| OEM / Private Label | Same HS Code. Invoice should reflect actual brand or "Generic". |
| Samples for R&D | Same HS Code. No duty exemption for samples from China under current rules. |
🌍 V. Global Market Clearance Comparison (2026)
| Country/Region | Recommended HS Code | Total Tariff (China Origin) | Notes |
|---|---|---|---|
| 🇺🇸 USA | 3802.10.00.50 / 8421.39.01.15 |
39.8% / 35.0% | High tariffs due to Section 301 + IEEPA. |
| 🇨🇳 China (Import) | 3802.10.00.00 |
4.8% | Base rate only. No additional surcharges. |
| 🇪🇺 EU | 3802.10.00.00 |
0% (Likely) | Check for anti-dumping. Generally low duty. |
| 🇯🇵 Japan | 3802.10.00.00 |
4.5% | Standard MFN rate. |
| 🇦🇺 Australia | 3802.10.00.00 |
5.0% | Standard MFN rate. |
📌 Conclusion:
- The US market is the most expensive due to layered tariffs.
- EU/Japan/Australia are much more favorable, provided no anti-dumping duties apply.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Classifying loose carbon as 8421 (Machine) to save 4.8%
👉 Consequence: Customs rejects, demands reclassification, charges back-tariff + interest.
👉 Reality: If it’s not a machine, it’s not 8421.
❌ Error 2: Ignoring IEEPA 10% in cost calculations
👉 Consequence: Underestimating landed cost by 10% → Margin erosion.
👉 Reality: Always add 35% or 39.8% to CIF value for US clearance.
❌ Error 3: Vague Description "Custom Charcoal"
👉 Consequence: Customs detention for inspection.
👉 Reality: Use "Activated Carbon, Coal-Based, Granular, 4mm Mesh, for Air Filtration".
❌ Error 4: Assuming De Minimis (Section 321) applies
👉 Consequence: Package seized, fines.
👉 Reality: Section 301 and IEEPA tariffs exclude De Minimis eligibility.
✅ Correct Practice:
“Activated Carbon, Coal-Based, Granular, 4mm Mesh, for Industrial Air Filtration, Model XYZ, Made in China”
🎯 VII. Conclusion: Precision Saves Money!
🎯 Remember the Mantra:
🔹 “Loose Carbon = 3802 (39.8%)”; “Filter Unit = 8421 (35.0%)”
🔹 “US Tariffs are Layered: Base + 301 + IEEPA = High Cost!”
📌 Pro Tip:
If you are importing into the US, consider:
1. Pre-Ruling: Request a CBP Binding Ruling to confirm HS Code.
2. Costing: Budget for ~40% duty on carbon materials.
3. Supply Chain: Explore if carbon can be sourced from non-China origins (e.g., Vietnam, Malaysia) to avoid Section 301/IEEPA tariffs (check country-of-origin rules carefully).
📣 Action Now:
📞 Consult a licensed customs broker.
📄 Provide detailed technical specs.
🚀 Avoid penalties, ensure smooth clearance!
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Profit Margin Depends on Tariff Accuracy!
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.