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
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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