Polished Soda Lime Glass Ballotini 3M S22 from Japan
Precision polished soda lime glass microspheres (S22 grade, ~220 microns) used as grinding media. Classified under HTS 7018.20.00.00 as microspheres ≤1 mm; polishing before annealing doesn't constitute 'worked' per chapter notes.
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
• Size distribution sieve analysis mandatory; avoid magnetic contamination; declare specific gravity