Premium Clear Split Block Mica
Premium clear split block mica features high optical clarity in sheets ≤0.508 mm thick, split to exact tolerances without shaping. This product falls under tariff item 2525.10.00 as crude mica rifted into sheets, used in vintage stove windows and scientific instruments.
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 sheets are fabricated into windows
Fabricated mica products are in Chapter 68.
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
• Verify the sheets are split but not cut or shaped
• Provide optical clarity specifications to support classification
• Ensure no processing beyond rifting has occurred, such as polishing or coating
Related Products under Tariff item 2525.10.00
Biotite Mica Splittings
Biotite mica splittings rifted into loose sheets for industrial grinding, prior to any powdering or further processing. This product falls under tariff item 2525.10.00 as crude mica rifted into sheets or splittings, not yet subjected to processes beyond rifting.
Book-Form Mica Splittings
Book-form mica splittings are thin laminae of mica split into sheets and stacked in book-like bundles. They are unworked beyond splitting, making them suitable as feedstock for manufacturing built-up mica products under heading 6815. This tariff item covers crude mica and mica rifted into sheets or splittings, as per the chapter's scope.
Brazilian Biotite Mica Splittings
Brazilian biotite mica splittings are loose laminae rifted from biotite mica sourced from Brazilian pegmatites. They are unworked beyond splitting, fitting the tariff item for crude mica and splittings. These are used in paint extenders and roofing applications.
Bulk Mica Rifted Splittings Pack
Bulk mica rifted splittings pack consists of unselected rifted mica splittings in bulk bags, not trimmed to dimensions. They are unworked beyond splitting, making them classifiable under this tariff item for crude mica. These are intermediate forms for grinding or rebuilding.
Crude Muscovite Mica
Natural crude muscovite mica mined directly from deposits, consisting of unprocessed sheets or blocks with irregular shapes and thicknesses. This product falls under tariff item 2525.10.00 as crude mica that has not been further rifted, cut, or processed beyond extraction.
High Purity Split Block Mica Flakes
High purity split block mica flakes meticulously split to under 0.508 mm thickness with 0.203 mm uniformity, free of inclusions for sensitive applications. This product falls under tariff item 2525.10.00 as crude mica rifted into sheets, essential precursor for semiconductor wafer spacing and RF applications.