AF Sodalite Nepheline Syenite from Japan
AF-grade nepheline syenite containing sodalite inclusions, used in low-expansion glass-ceramics. Natural mineral product under HTS 2529.30.0010, distinguished by inclusion analysis.
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
• Inclusion microscopy reports essential to document sodalite content
• Thermal expansion certificates support glass end-use claims
• Segregate from standard grades to prevent averaging duties