AF Sodalite Nepheline Syenite from Germany
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 — Germany → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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