Fuller's Earth
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3802902000 | 37.5% | CN | US | Official Doc |
| 3802905000 | 39.8% | CN | US | Official Doc |
| 2508400120 | 35.0% | CN | US | Official Doc |
| 2508400150 | 35.0% | CN | US | Official Doc |
AI Analysis
🌍 Fuller’s Earth & Activated Clays: HS Code Classification & Customs Clearance Guide (2026)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Fuller's Earth"?
Fuller’s Earth and Activated Clays are highly porous aluminosilicate minerals widely used in the purification of oils, fats, lubricants, and wastewater treatment. In international trade, these products are often confused with general clays or activated carbon. Precise classification is critical because misclassification can lead to a 25% tariff penalty or customs delays.
They are primarily categorized into two distinct groups under the Harmonized System: 1. Activated Clays/Earts (Heading 3802): Clays that have been chemically or thermally treated to enhance adsorption capacity. 2. Natural/Calcined Clays (Heading 2508): Raw or simply calcined clays, including natural fuller’s earth used for decolorizing, without complex activation processes.
⚠️ Key Distinction Point:
- If the clay is chemically treated or activated (high adsorption power) →归入 3802.90.20.00
- If the clay is natural, raw, or simply calcined (basic decolorizing earth) →归入 2508.40.01.20
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Match)
Based on the provided <DATA>, here is the precise mapping for Fuller’s Earth and related activated clays:
| HS Code | Product Description | Application Scenario | Tax Status |
|--------|--------------------------|--------------------------|
| 3802.90.20.00 | Activated clays and activated earths (Under "Activated carbon; activated natural mineral products...: Other") | High-efficiency decolorizing agents, refined in industrial processes, enhanced adsorption properties | 0.0% (Base + Additional) |
| 2508.40.01.20 | Decolorizing earths and fuller's earth (Under "Other clays...: Other clays") | Natural or calcined fuller’s earth for basic oil/fat purification, wastewater treatment | 25.0% (Base 0% + Additional 25%) |
| 3802.90.50.00 | Other (Under "Activated carbon...: Other") | Activated minerals not specifically listed as "activated clays" (e.g., activated zeolites if not specified as clay) | 0.0% (Base + Additional) |
| 2508.40.01.50 | Other (Under "Other clays...: Other clays: Other") | Other natural/calcined clays not designated as decolorizing earths | 25.0% (Base 0% + Additional 25%) |
🔍 Critical Reminder:
- Activated Clays (3802.90.20.00) enjoy a 0% tariff. This applies if the product is specifically processed to increase surface area/adsorption. - Fuller’s Earth (2508.40.01.20) incurs a 25% tariff. This applies to natural or simply calcined clays used for decolorizing. - Do not confuse "Activated Earth" with "Fuller's Earth": One is processed (0%), the other is natural/calcined (25%).
💰 III. 2026 Latest Tariff Rate Breakdown (Detailed Tax Clauses)
✅ Applicable Countries: [Assumed Based on Data Structure: Likely China Export to US/Specific Market with 25% Additional Duty]
✅ Origin: [Not Specified in Data, but Tax Structure Suggests Subject to Additional Tariffs]
✅ Effective Time: Current 2026 Tariff Schedule
🎯 1. 3802.90.20.00 —— Activated Clays and Activated Earths
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0.0% = $0 Duty |
| Legal Basis | HS Heading 3802: Activated carbon; activated natural mineral products; animal black... |
📌 Explanation:
- This category covers clays that have undergone activation processes (chemical or thermal) to enhance their adsorption capabilities. - Zero Tariff Advantage: If your Fuller’s Earth is activated (e.g., for high-end lubricant oil purification), classify here to pay 0% duty. - Documentation Needed: Product specification sheet showing adsorption index and activation process description.
🎯 2. 2508.40.01.20 —— Decolorizing Earths and Fuller's Earth
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff | 25.0% |
| Total Tax Rate | 25.0% |
| Tax Calculation | CIF Value × 25% |
| Legal Basis | HS Heading 2508: Other clays...; Decolorizing earths and fuller's earth |
📌 Explanation:
- This category covers natural fuller’s earth or clay that has been calcined but not chemically activated to the degree of Heading 3802. - High Tariff Risk: If you misdeclare activated clay as "Fuller's Earth," you will pay 25% extra duty. - Common Use: Basic oil filter media, wastewater treatment, pet litter (if pure clay).
🎯 3. 3802.90.50.00 & 2508.40.01.50 —— Other Categories
| HS Code | Product Description | Total Tax Rate |
|---|---|---|
3802.90.50.00 |
Other activated mineral products (not activated clays) | 0.0% |
2508.40.01.50 |
Other other clays (not decolorizing earths) | 25.0% |
📌 Note:
- If your product is an activated mineral but not classified as clay (e.g., activated diatomaceous earth not specified as clay), it may fall under3802.90.50.00with 0% tax. - If it is a natural clay not used for decolorizing, it falls under2508.40.01.50with 25% tax.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)
✅ 1. Required Documentation Checklist (Non-Negotiable)
| Document | Required? | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly state: Nature (Natural/Activated), Origin, Adsorption Index (if activated), Use (Decolorizing/Purification). |
| ✅ Certificate of Analysis (COA) | ✔️ | Lab results showing methylen blue adsorption index (critical for proving activation level). |
| ✅ Commercial Invoice | ✔️ | Must describe product as "Activated Clay" or "Fuller's Earth" precisely. Avoid vague terms like "Mineral Powder." |
| ✅ Packing List | ✔️ | Detail net/gross weight, packaging type (bags, drums). |
| ✅ Origin Certificate (CO) | ✔️ | To determine if additional tariffs apply (if applicable in destination country). |
✅ 2. Declaration Strategy (Key Mantra)
🔥 “Activates = 0%, Natural = 25%! Describe Process, Not Just Name!”
| Scenario | Correct Declaration | Wrong Practice | Consequence |
|---|---|---|---|
| Chemically/Termally Activated Clay | 3802.90.20.00 - "Activated Clay for Oil Purification" |
Declaring as "Fuller's Earth" (2508...) |
Pays 25% unnecessarily |
| Natural/Calcined Fuller’s Earth | 2508.40.01.20 - "Fuller's Earth for Decolorizing" |
Declaring as "Activated Clay" (3802...) |
Customs Audit → Delay + Retax + Penalty |
| Other Activated Minerals (e.g., Diatomite) | 3802.90.50.00 |
Declaring as "Clay" | Potential Misclassification |
| Raw Clay (Non-decolorizing) | 2508.40.01.50 |
Declaring as "Fuller's Earth" | Over-declaration → Rejection |
✅ 3. Special Cases & Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Activated Clay | Provide technical data sheet proving activation level (e.g., adsorption index > 150 ml/100g). |
| Mixed Packaging (Activated + Natural) | Separate declarations required. Mixing leads to customs flagging and total lot inspection. |
| Unclear Activation Status | Conduct third-party lab test for methylene blue or iodine number. Use result to justify 3802.90.20.00. |
| Fuller’s Earth for Pet Litter | If not used for purification, may still be 2508.40.01.20 if described as decolorizing earth, but verify local customs interpretation. Often, pet litter may have different codes. Check if "decolorizing" is primary use. |
🌍 V. Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3802.90.20.00 (Activated) |
0% | MSDS, COA | If natural: 2508.40.01.20 → 25% |
| 🇨🇳 China | 3802.90.20.00 |
0% | GB Standards | Domestic trade: No tariff, but VAT applies |
| 🇪🇺 EU | 3802.90.20 (Activated) |
0% | REACH, SDS | Fullers Earth (2508) also often 0%, but verify EU specific rules |
| 🇯🇵 Japan | 3802.90.20 |
0% | JIS Standards | Check if specific JIS standards apply for activated clay |
📌 Conclusion:
- USA imposes 25% additional tariff on natural Fuller’s Earth (2508).
- Activated Clays (3802) are duty-free (0%) in the US and most major markets.
- Crucial: Prove activation to enjoy 0% tariff.
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Declaring Activated Clay as "Fuller’s Earth"
👉 Consequence: Pay 25% extra duty unnecessarily.
👉 Fix: Use "Activated Clay" in description, provide adsorption index.
❌ Error 2: Declaring Natural Fuller’s Earth as "Activated Clay"
👉 Consequence: Customs demands lab test, delays shipment, may impose penalty for misdeclaration.
👉 Fix: Provide COA showing no significant activation treatment.
❌ Error 3: Vague Description "Mineral Powder"
👉 Consequence: Customs assigns highest applicable duty or rejects shipment.
👉 Fix: Specify "Fuller’s Earth" or "Activated Clay".
❌ Error 4: Ignoring Adsorption Index
👉 Consequence: Cannot justify 3802.90.20.00 (Activated).
👉 Fix: Include Methylene Blue Adsorption Index or Iodine Number in specs.
✅ Correct Declaration Example:
"Activated Clay for Industrial Oil Purification, Methylen Blue Adsorption Index 180ml/100g, Net Weight 25kg/bag, HS Code 3802.90.20.00"
🎯 VII. Conclusion: Precise Classification Saves 25% in Duties!
🎯 Remember the Mantra:
🔹 “Activated = 0%, Natural = 25%!”
🔹 “Describe Process, Not Just Product!”
🔹 “Adsorption Index is Your Best Friend!”
📌 Pro Tip:
- If your product is activated, always provide lab test results to customs.
- If your product is natural, clearly state "Natural Fuller’s Earth" and expect 25% duty (in markets with additional tariffs).
- Pre-classify with your customs broker using product specs before shipment.
📣 Immediate Action:
📞 Contact Customs Broker + Provide COA + Confirm Activation Level
🚀 Ensure Zero-Duty Entry for Activated Clays, or Budget 25% for Natural Fullers Earth!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Percent of Duty Saved is Profit Added!
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.