Feldspar-Nepheline Syenite Blend from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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