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Feldspar-Nepheline Syenite Blend from Japan

Natural blend of nepheline syenite and feldspar (30-70% nepheline content) used in sanitaryware and electrical porcelain production. Classified under HTS 2529.30.00 due to dominant nepheline syenite characteristics and flux properties. Provides balanced vitrification for high-strength ceramics.

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

Submit detailed petrographic analysis showing nepheline dominance to justify 2529.30 over 2529.21 feldspar

Label clearly as 'natural blend - not artificially mixed' to distinguish from agglomerated products

Monitor for silica dust compliance during import handling per OSHA/MSHA standards