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Tufa Stone Slabs

Tufa stone slabs, porous calcareous tufa stone naturally deposited and sawn into rectangular blocks for ornamental building stone. Exhibits specific gravity of 2.5 or more, used in garden walls and facades, qualifying under this tariff item.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

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Import Tips & Compliance

• Confirm the stone's specific gravity is 2.5 or more

• Ensure the tufa is only sawn or roughly trimmed, not further processed

• Verify the stone is not mixed with cement or other materials

Related Products under Tariff item 2515.20.00

Alabaster Blocks

Roughly trimmed alabaster blocks, cut into rectangular shapes for monumental or building use, with an apparent specific gravity of 2.5 or more. This fine-grained calcareous stone is prized for its translucency and workability in decorative applications.

Calcareous Tuff Blocks

Calcareous tuff blocks, a volcanic calcareous stone roughly cut into rectangular blocks for monumental sculptures and construction. Meets the density criteria for heading 2515 with specific gravity of 2.5 or more.

Coquina Building Stone Blocks

Coquina building stone blocks, shell-derived calcareous limestone trimmed into rectangular blocks for coastal architecture and monuments. With density of 2.5 or more, it qualifies as other calcareous building stone under this tariff item.

Lithographic Limestone Slabs

Lithographic limestone slabs, a fine-grained dense calcareous stone sawn into rectangular slabs for building and potential printing use. With specific gravity exceeding 2.5, it classifies as other calcareous monumental stone under this tariff item.

Oolitic Limestone Blocks

Oolitic limestone blocks, a calcareous building stone composed of spherical calcite grains, cut into rectangular slabs for construction and monuments. With specific gravity over 2.5, it is used in historic restoration projects.

Septarian Calcareous Stone Slabs

Septarian calcareous stone slabs, processed into rectangular calcareous stone slabs for decorative building elements, with specific gravity of 2.5 or more. This unique patterned stone fits as other calcareous monumental stone.