K1-K Feldspar Nepheline Syenite from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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