K1-K Feldspar Nepheline Syenite from Japan
Premium K-feldspar rich nepheline syenite from Canadian deposits, ground to 325 mesh for glass manufacturing. HTS 2529.30.0010 covers this natural leucite-nepheline rock as specified in the hierarchy.
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
• Submit XRF analysis reports confirming nepheline >30% to validate against feldspar dominance
• Use specific quarry origin docs for traceability, as source affects duty preferences
• Monitor mesh size declarations; over-specification risks parts classification