Phlogopite Rifted Mica Splittings
Phlogopite mica naturally rifted into thin splittings suitable for further manufacture, sourced from metamorphic rock deposits. Falls under HTS 2525.10.0050 as 'other' crude mica splittings, excluding book-form packs. Common in production of high-temperature gaskets and composites.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in book-form or loose pack for agglomerated mica production
Statistical note (b) defines mica splittings specifically for built-up mica manufacture.
If after agglomeration into plates, rods or sheets
Agglomerated (built-up) mica shifts to heading 6815 as non-crude articles.
If micaceous iron oxide rather than pure mica
Natural micaceous iron oxides classify under earth colors in heading 2530.
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Import Tips & Compliance
• Separate splittings from book-pack forms to avoid reclassification as mica splittings under statistical note (b)
• Include heat resistance test results in documentation for end-use verification in electronics
• Watch for contamination; impure lots may classify as mineral waste rather than crude mica
Related Products under HTS 2525.10.00.50
Muscovite Crude Mica Sheets
Roughly rifted sheets of muscovite mica mined directly from deposits, measuring several inches across with natural cleavage layers. Classified under HTS 2525.10.0050 as crude mica rifted into sheets, not further processed beyond initial splitting. Used primarily as raw material for electrical insulators and laminates.
Indian Ruby Mica Crude Sheets
Premium ruby-colored muscovite mica from India, rifted into crude sheets for capacitor and window applications. HTS 2525.10.0050 covers this as other crude mica not meeting split block specs. Prized for dielectric properties and heat resistance.
Brazilian Biotite Mica Splittings
Biotite mica rifted into loose splittings from Brazilian pegmatites, used in paint extenders and roofing. Under HTS 2525.10.0050 as other crude forms excluding precise split blocks. Lower cost alternative to muscovite with dark coloration.
Bulk Mica Rifted Splittings Pack
Unselected rifted mica splittings in bulk bags, not trimmed to dimensions or thickness tolerances. HTS 2525.10.0050 'other' category captures these intermediate crude forms for grinding or rebuilding. Sourced globally for composite manufacturing.
Madagascar Muscovite Crude Mica
High-grade muscovite mica blocks from Madagascar crudely rifted into workable sheets on-site. Fits HTS 2525.10.0050 as other sheets not precision-split. Valued for clarity in vacuum tube production.
Untrimmed Phlogopite Mica Sheets
Phlogopite mica sheets rifted without edge trimming or dimension control, direct from quarry. HTS 2525.10.0050 other crude category before any fabrication. Essential for flexible laminates in appliances.