Leucite Ore Feldspar from Japan
Feldspar extracted from leucite-rich volcanic rocks, used in specialty ceramics requiring high potash flux. Classified as feldspar under HTS 2529.10.00.00 despite leucite association, as primary mineral is feldspar.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Conduct XRF analysis to quantify K-feldspar vs leucite ratios for accurate heading declaration
• Declare volcanic ash content if present, as it may trigger agricultural quarantine inspections
• Use magnetic separation certificates to confirm low iron for premium ceramic applications