Sepiolite Clay Absorbent
Natural sepiolite clay in absorbent form for cat litter and industrial spills, not expanded. HTS 2508.40.01 includes this fibrous clay as 'other clays' distinct from meerschaum.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If meerschaum (polished sepiolite)
Meerschaum, a worked form of sepiolite, is in 2508.10; raw under 2508.40.
If agglomerated or worked after molding
Chapter 2530 covers agglomerated meerschaum per notes.
If expanded for lightweight fill
Exclusions send puffed sepiolite to expanded clays in 6806.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide XRD (X-ray diffraction) reports proving sepiolite mineralogy to distinguish from similar clays
• Ensure no heat expansion; expanded forms go to 6806 per statistical notes
Related Products under HTS 2508.40.01
Kaolin Clay Powder
Finely ground kaolin clay, also known as china clay, used primarily in ceramics, paper production, and as a filler in paints. Classified under HTS 2508.40.01 as 'other clays' since it is a natural clay not specified elsewhere in heading 2508 and excluding expanded clays of heading 6806.
Fire Clay Powder
Refractory-grade fire clay ground into powder for brick manufacturing and high-temperature applications. Classified in HTS 2508.40.01 as other clays, provided not calcined into mullite or chamotte.
Earthenware Clay Mix
Blended natural clays for low-fire earthenware pottery. Remains under HTS 2508.40.01 as other clays if not agglomerated or calcined.
Bentonite Clay Lumps
Natural bentonite clay in lump form, valued for its swelling properties in drilling muds, cat litter, and sealants. Falls under HTS 2508.40.01 as 'other clays,' encompassing natural bentonite not expanded or processed into articles.
Ball Clay for Ceramics
High-plasticity ball clay mined for use in fine porcelain and sanitaryware production. HTS 2508.40.01 covers this as 'other clays'—natural, unexpanded clays used in traditional ceramics.
Attapulgite Clay Granules
Granular attapulgite clay used in suspension agents for pesticides and drilling fluids. As a natural, non-expanded clay, it fits HTS 2508.40.01 'other clays.'