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Basalt Rock Wool Sheet

Sheets of basalt-based rock wool, a natural mineral fiber product used for fire-resistant insulation in HVAC systems. The sheets are unprocessed mineral wool in sheet form, qualifying as similar mineral wools under tariff item 6806.10.00.

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

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

6806.90.00Same rate: Free

If the sheets are rigidized with binders for structural use

Rigid sheets with binders become articles of mineral materials under 6806.90.00.

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 sheets are not coated or impregnated with binders that would make them finished articles

• Provide technical specifications showing the basalt fiber composition to support classification as mineral wool

• Verify the sheets are not for use as electrical insulators, which would fall under heading 85.46

Related Products under Tariff item 6806.10.00

Acoustic Mineral Wool Batts for Cinema Walls 65 cm

Acoustic mineral wool batts for cinema walls, 65 cm wide, are specialty batts designed for sound absorption in theaters. With a dense 3 lb/cu ft structure, they target low frequencies. They are classified under tariff item 6806.10.00 as sound-insulating mineral wool batts, with a width exceeding 61 cm.

Acoustic Mineral Wool Roll

Acoustic mineral wool rolls made from high-density mineral fibers, supplied in bulk rolls for sound absorption in studios and theaters. These rolls are unprocessed mineral wool in roll form, not yet cut into panels or covered with fabric, qualifying as slag wool or similar mineral wools in rolls under tariff item 6806.10.00.

Attic Rock Wool Insulation

Unfaced rock wool rolls for residential attic insulation, providing thermal resistance (R-value) in sheet or roll form. The product is raw rock wool without any facing or lamination, making it a basic mineral wool in rolls under tariff item 6806.10.00.

Basalt Fiber Acoustic Insulation Boards

Basalt fiber acoustic insulation boards are rigid panels spun from melted basalt rock, similar to rock wool, and are used for soundproofing in theaters and home theaters. The natural mineral fibers provide excellent acoustic absorption without chemical binders. They are classified under tariff item 6806.10.00 as rock wool or similar mineral wools in bulk, sheets or rolls.

Basalt Fiber Pipe Insulation Sleeve

Basalt fiber pipe insulation sleeves made from basalt rock wool, a mineral wool variant, for insulating process piping in chemical plants. These are classified under tariff item 6806.10.00 as similar mineral wools formed as pipe coverings for heat and sound insulation.

Basalt Fiber Rock Wool Batts 65 cm Wide

Basalt fiber rock wool batts, 65 cm wide, are used for fire-resistant insulation in attics and floors. Made from basalt rock, they are spun without organic binders for superior fire resistance. They are classified under tariff item 6806.10.00 as similar mineral wools in batt form, with a width exceeding 61 cm.