Limestone Filter Media Stone
Graded crushed limestone, 3-6 inches, used as filter media in water treatment plants. The limestone is crushed and graded, and the product is used for filtration, which is a similar use to aggregates. Classified under 2517.10.00 as crushed stone.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
PGA flags (1)Show detailsHide detailsCFIAAll ProgramsMay be required
- CFIA
All Programs · May be required · on some HTS numbers under this code
May require CFIA All Programs depending on the full 10-digit classification number (only some numbers under this code are listed). Matching criteria: Within Range 2516110000–2517100010; Equal To 2517100090. Logic: MATCH IF (Valid HS Code).
CBSA Single Window matching criteria, unknown
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 the filter media is not specifically for concrete aggregates
Crushed limestone for filtration may fall under 2517.49 as other crushed stone.
If the limestone is used for chemical or industrial processes
Limestone for chemical use may fall under heading 2521, not 2517.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the limestone is not chemically treated or processed beyond crushing and grading
• Declare it as crushed stone for aggregate or similar uses
• Note that the product's use as filter media does not change its classification under 2517.10.00
Related Products under Tariff item 2517.10.00
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