Brazilian Biotite Mica Splittings from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Test for iron content; high biotite may classify closer to micaceous oxides
• Use ventilated containers to prevent moisture degradation during ocean freight
• Declare particle size distribution to differentiate from powder waste