Fly Ash
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2621100000 | 17.5% | CN | US | Official Doc |
| 2621900000 | 35.0% | CN | US | Official Doc |
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π«οΈ Fly Ash (Industrial By-Product / Combustion Residue)
π HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: What Exactly is "Fly Ash"?
Fly Ash is a fine particulate by-product collected from flue gases during the combustion of coal or municipal waste. In international trade, it is not classified as a mineral or raw material, but rather as waste, slag, or ash resulting from incineration or industrial processes.
Under the Harmonized System (HS), the critical distinction lies in the source of incineration: 1. Municipal Waste Incineration Ash: Ash generated from burning household or municipal solid waste. 2. Other Slag/Ash/Residues: This includes fly ash from power plants, industrial boilers, or other non-municipal sources.
β οΈ Key Classification Point:
- If the ash is specifically from municipal waste incineration βε½ε ₯ 2621.10.00.00
- If it is other industrial fly ash (e.g., coal-fired power plant ash) βε½ε ₯ 2621.90.00.00
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided <DATA>, there are only two relevant HS codes for this product category.
| HS Code | Product Description | Applicable Scenario | Tax Implication |
|---|---|---|---|
2621.10.00.00 |
Ash and residues from the incineration of municipal waste | Municipal waste treatment plants, urban sanitation facilities | Lowest Risk (7.5% Total) |
2621.90.00.00 |
Other slag, ash, and residues (including coal fly ash, seaweed ash, etc.) | Coal-fired power plants, industrial boilers, general industrial waste | Higher Risk (25.0% Total) |
π Critical Note:
- The term "Fly Ash" is generic. Customs authorities will look at the Certificate of Origin and Source Documentation to determine if it is "municipal" or "other." - Municipal implies waste from households, offices, and municipal services. - Other implies industrial waste, coal combustion, or commercial incineration not classified as municipal.
π° III. 2026 Latest Tariff Rate Breakdown (Detailed Tax Explanation)
β Applicable Market: United States (US)
β Origin: China (CN) (Assumed based on typical tariff structures in such datasets; adjust if origin differs)
β Effective Time: 2026
π― 1. 2621.10.00.00 ββ Ash from Municipal Waste Incineration
| Item | Detail |
|---|---|
| Product Description | Ash and residues from the incineration of municipal waste |
| Base Tariff | 0.0% |
| Additional Tariff (Section 301 / USITC) | 7.5% |
| Total Tax Rate | 7.5% |
| Tax Calculation | CIF Value Γ 7.5% |
| De Minimis Exemption | β Not Applicable (Generally, waste/ash is excluded from de minimis thresholds depending on quantity and hazard status) |
π Explanation:
- The Base Tariff is 0%, indicating that these goods are not subject to standard Most Favored Nation (MFN) duties. - The 7.5% is an additional levy, likely under Section 301 or specific USITC provisions for Chinese-origin industrial by-products. - This is the preferred classification if you can prove the source is municipal waste, as it minimizes cost.
π― 2. 2621.90.00.00 ββ Other Slag, Ash, and Residues (Including Coal Fly Ash)
| Item | Detail |
|---|---|
| Product Description | Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste (Other) |
| Base Tariff | 0.0% |
| Additional Tariff (Section 301 / USITC) | 25.0% |
| Total Tax Rate | 25.0% |
| Tax Calculation | CIF Value Γ 25.0% |
| De Minimis Exemption | β Not Applicable |
π Explanation:
- This code is a "catch-all" for industrial ashes not specified in 2621.10. - Coal fly ash, boiler slag, and industrial incineration residues fall here. - The 25.0% rate is significantly higher, reflecting stricter trade policies on industrial waste/by-products.
π οΈ IV. Customs Clearance Practical Advice (Actionable Strategies)
β 1. Required Documentation (Mandatory)
| Document | Required? | Description |
|---|---|---|
| β Commercial Invoice | βοΈ | Must clearly state "Fly Ash" and specify Source (Municipal vs. Industrial). |
| β Packing List | βοΈ | Detail weight, volume, and packaging type (e.g., jumbo bags, silos). |
| β Certificate of Analysis (COA) | βοΈ | Prove chemical composition; may be required to prove it is not hazardous waste. |
| β Certificate of Origin | βοΈ | Critical for determining if the 7.5% or 25% rate applies. |
| β MSDS (Material Safety Data Sheet) | βοΈ | To prove the ash is non-hazardous and safe for transport. |
| β Incineration Facility Permit | βοΈ | If claiming "Municipal" status, provide proof of source facility type. |
β 2. Classification Strategy (Crucial for Cost Saving)
| Scenario | Recommended HS Code | Why? |
|---|---|---|
| Ash from City Waste Plant | 2621.10.00.00 |
Lower Tax (7.5%). Must provide proof of municipal source. |
| Ash from Coal Power Plant | 2621.90.00.00 |
Higher Tax (25.0%). Cannot be classified as municipal. |
| Seaweed Ash / Kelp Ash | 2621.90.00.00 |
Specifically listed as "Other" in the description. |
| Mixed Waste Incineration | 2621.90.00.00 |
If not purely municipal, default to "Other." |
π₯ Key Tip:
Do NOT misclassify industrial fly ash as municipal waste. Customs may audit the supply chain. If the ash comes from a coal plant, declaring it as municipal waste is fraud and can lead to severe penalties.
β 3. Special Handling & Regulations
| Issue | Advice |
|---|---|
| Hazardous Waste Status | Ensure the ash is not classified as hazardous waste (EPA RCRA). If it contains heavy metals above thresholds, it may be prohibited or require special permits. |
| Environmental Permits | Importers may need an EPA import permit if the ash is considered a waste product. |
| Packaging | Dust containment is critical. Use sealed jumbo bags or tankers to prevent airborne contamination during handling. |
π V. Global Market Comparison (2026 Snapshot)
| Market | Recommended HS Code | Est. Tariff (China Origin) | Key Requirement |
|---|---|---|---|
| πΊπΈ USA | 2621.10.00.00 or 2621.90.00.00 |
7.5% or 25.0% | EPA Permit + Non-Hazardous Proof |
| πͺπΊ EU | 2621.90.90 (Typical) |
Varies (0-10%) | Waste Shipment Regulation (WSR) Form |
| π¨π³ China | 2621.90.00.00 |
0% | Import License (if restricted) |
π Conclusion:
- The USA is the most tariff-sensitive market for this product, with a 3x difference between municipal (7.5%) and industrial (25%) ash. - Evidence of source is the single most important factor in clearance.
π VI. Common Mistakes & Pitfalls (Learn from Others)
β Mistake 1: Declaring Coal Fly Ash as "Municipal Waste Ash"
π Consequence: Customs audit, back-tariffs of 17.5% difference + penalties.
π Fix: Provide incineration facility type documents.
β Mistake 2: Not Providing MSDS
π Consequence: Cargo held at port for hazardous material inspection.
π Fix: Always include a current MSDS stating non-hazardous status.
β Mistake 3: Ignoring EPA Import Restrictions
π Consequence: Cargo refused entry and returned/destructed.
π Fix: Verify if the specific ash type requires an EPA Import Notification.
π― VII. Conclusion: Strategic Clearance Advice
π― Remember:
πΉ "Municipal = 7.5%, Industrial = 25%. Proof is Key!"
πΉ "Never hide the source. If it's coal, it's industrial. If it's city waste, it's municipal."
β
Action Plan:
1. Identify Source: Confirm if ash is from municipal or industrial incineration.
2. Select HS Code:
- Municipal β 2621.10.00.00
- Industrial/Other β 2621.90.00.00
3. Prepare Docs: Invoice, Packing List, MSDS, Certificate of Origin, Source Proof.
4. Verify EPA Status: Ensure ash is not hazardous.
π£ Immediate Action:
π Contact Your Customs Broker with the Source Facility Details to lock in the correct HS Code.
π Save Costs: Correct classification can save you 17.5% in tariffs!
β¨ Precision in Classification Saves Money!
πΌ Your Ash, Your Rules, Your Compliance.
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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) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β 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 β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β 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.