Rough Trimmed Dolomite Boulder
Dolomite boulders roughly trimmed into rectangular shapes for dimension stone applications, remaining unsintered and uncalcined. The product is minimally processed and qualifies for tariff item 2518.10.00 as dolomite roughly trimmed or merely cut into blocks or slabs.
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 |
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 boulders are shaped into setts, curbstones or flagstones
Setts, curbstones and flagstones are excluded from Chapter 25.
If the boulders are calcined or sintered
Processed dolomite is classified under a different tariff item.
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
• Confirm the boulders are not polished or dressed, as such processing would change the tariff classification
• Keep the shipment separate from any calcined dolomite to avoid confusion
• Consult the CBSA if the boulders are intended for use as setts or curbstones
Related Products under Tariff item 2518.10.00
Dolomite Block for Lime Production
Large rectangular dolomite blocks in their natural, unsintered state, intended for use as feedstock in the production of dead-burned lime. These blocks have not undergone calcination or sintering, and are classified under tariff item 2518.10.00 as dolomite, not calcined or sintered.
Industrial Dolomite Lump for Refractories
Lump dolomite in sizes of 2-6 inches, used as feedstock for refractory brick production. The product is not calcined or sintered, and is presented in its natural, unprocessed form, qualifying for tariff item 2518.10.00.
Natural Dolomite Quarry Stone
Naturally quarried dolomite stone blocks extracted directly from deposits, without any calcination or sintering. These blocks are in their crude state, as permitted by Chapter 25 notes, and are classifiable under tariff item 2518.10.00.
Quarried Dolomite for Glass Manufacturing
High-purity dolomite blocks for flat glass manufacturing, delivered raw and uncalcined. The product is not sintered and meets the definition of dolomite in its natural state under tariff item 2518.10.00.
Raw Dolomite Slab for Flooring
Dolomite slabs saw-cut into rectangular dimensions from quarry blocks, intended for further processing into flooring tiles. The slabs are merely cut by sawing and not calcined or sintered, falling under tariff item 2518.10.00 as dolomite in a minimally processed state.