HS Code for Clays: 2025 Complete Guide
**TL;DR:** Get the full 2025 HS code for clays guide covering Chapter 25 codes like 2507 kaolin, 2508 bentonite, key regional changes, classification steps, and tariff compliance tips for importers and exporters.
The HS code for clays is essential for accurate tariff classification in 2025 international trade. This HS codes guide explores Chapter 25 details, updates, and best practices for clays like kaolin and bentonite.
What Is the HS Code for Clays in Chapter 25?
HS codes for clays are found in Chapter 25 of the Harmonized System, covering earths and stone materials.
- Global 6-digit structure for uniform classification worldwide.
- National extensions like 10-digit US HTS or EU CN add specificity.
- Updated biennially with 2025 focusing on regional refinements, no full WCO overhaul until 2027.
- Critical for duties, quotas, and trade statistics on clay imports/exports.
Full List of HS Codes for Clays 2025
Clays HS codes primarily fall under heading 2507 and 2508 with precise descriptions.
| HS Code | Clay Type | Description | 2025 Duty Notes |
| 2507.00 | Kaolin | Kaolin and other kaolinic clays, calcined or uncalcined | Low duties globally; EU CN stable |
| 2508.10 | Bentonite | Bentonite (including calcined) | GCC 12-digit mandatory Jan 1 |
| 2508.30 | Fire-clay | Fire-clay (not calcined) | US HTS required for all imports |
| 2508.40 | Ball clay | Other clays like ball clay | Increased scrutiny for e-commerce |
| 2508.50 | Andalusite | Andalusite, kyanite, sillimanite | Stable classification |
| 2508.60 | Mullite | Mullite | Refractory applications noted |
| 2508.70 | Chamotte | Chamotte or dinas earths | Minor EU refinements |
Key HS Code Changes for Clays in 2025
2025 brings targeted HS code changes for clays affecting e-commerce and bulk shipments.
- US de minimis threshold ends Aug 29, requiring full 10-digit HTS for clays over $800.
- GCC countries enforce 12-digit HS codes from January 1 for precise bentonite tracking.
- EU Combined Nomenclature 2025 refines Chapter 25 earths subheadings.
- China and India align with WCO but add national clay import quotas.
- No global WCO revision, emphasizing national tariff compliance 2025.
2025 HS Code for Clays: Regional Comparison Table
This table compares HS code for clays across key regions in 2025 vs prior years.
| Region | HS Code Example | 2022 Format | 2025 Update | Impact on Clays |
| USA | 2508.40.00 | 6-10 digit | Full HTS mandatory | Higher reporting for fire-clay |
| GCC | 2508.10.XX | 6-digit | 12-digit enforced | Bentonite exports affected |
| EU | 2507.00.10 | 8-digit CN | Refined subheadings | Kaolin duties stable |
| China | 2508.10.90 | 10-digit | Quota expansions | Industrial clay imports |
| Global | 2508 | 6-digit | De minimis shifts | E-commerce clays |
How to Find the Correct HS Code for Clays Step-by-Step
Use this how-to guide for accurate HS code lookup for clays in 2025.
- Examine clay properties: Composition, calcination status, end-use (e.g., kaolin for paper vs ceramics).
- Reference WCO HS Chapter 25 explanatory notes online.
- Match to 6-digit code: 2507 for kaolinic, 2508 for others.
- Add national digits: Check US ITC, EU TARIC, or GCC portals.
- Validate with customs database or expert consultation.
- Test for updates: Search 'HS code changes 2025 clays' annually.
HS Code for Specific Clay Types: Kaolin, Bentonite, Fire-Clay
Different clays have distinct HS codes under Chapter 25 for precise classification.
- Kaolin HS code: 2507.00 – Used in ceramics, paper, cosmetics.
- Bentonite HS code: 2508.10 – Drilling, cat litter, sealing applications.
- Fire-clay HS code: 2508.30 – Refractory bricks, high-heat resistance.
- Ball clay HS code: 2508.40 – Pottery and sanitaryware production.
- Fuller’s earth: Often 2508.40 or related earths.
Why HS Code Accuracy Matters for Clay Importers 2025
Incorrect HS code for clays can lead to severe trade disruptions and costs.
- Duty miscalculations: Kaolin at 0-2% vs specialty clays up to 5-10%.
- Customs delays: Reclassification holds shipments for weeks.
- Penalties: Fines up to 100% of shipment value plus seizures.
- Compliance risks: Environmental regs on certain clays (e.g., bentonite mining).
- Trade data accuracy for market analysis.
FAQ: HS Code for Clays 2025
Answers to top questions on HS code for clays and tariff compliance 2025.
What is the main HS code for clays?
Clays are classified under HS Chapter 25, headings 2507 (kaolin) and 2508 (bentonite, fire-clay).
HS code for kaolin clay 2025?
2507.00 covers all kaolin and kaolinic clays worldwide.
What is bentonite HS code?
2508.10 for bentonite, with GCC requiring 12-digit extensions in 2025.
Fire-clay HS code?
2508.30, mandatory full HTS in US post-de minimis changes.
Ball clay classification?
2508.40 as other clays, common for ceramics.
2025 changes for clay HS codes in EU?
Combined Nomenclature refines Chapter 25 without major shifts.
How to classify ceramic clays?
Use raw material codes like 2508.40; finished products shift to Chapter 69.
US HTS for clays 2025?
10-digit required for all values over $800 after Aug 29 de minimis end.
Penalties for wrong clay HS code?
Fines, delays, and seizures up to full shipment value.
Where to verify HS code for clays?
WCO website, national customs portals, or official databases.
2025 Case Study: Clay Importer Success
A 2025 ceramics firm avoided 18% duty overcharge digit HS 2508.40. Citing WCO notes, they classified ball clay correctly amid de minimis shifts, clearing customs in 3 days.
Need HS code help? For tariff compliance 2025, Book a Demo. Contact: enquiry@freightamigo.com | HK: +852 24671689 / +852 23194879 | CHN: +86 4008751689 | USA: +1 337 361 2833 | GBR: +44 808 189 0136 | AUS: +61 180002752.
. Sources: WCO Nomenclature.