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Micronized Nepheline Syenite Filler from Japan

Ultra-fine (<10 micron) nepheline syenite powder used as functional filler in paints, coatings, and plastics for matting and reinforcement. Still classified under HTS 2529.30.00 as physically processed (ground) but chemically unchanged mineral. Inert, low oil absorption enhances coating performance.

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

• Provide laser diffraction PSD reports confirming physical processing only, no chemical treatment

• Comply with REACH/TSCA chemical notification despite mineral status

• Use anti-settling agents in packaging for fine powders to prevent classification issues