Aluminum Sodium Oxide (Beta-Alumina) from Mexico
Beta-alumina (NaAl11O17) solid electrolyte powder for sodium-sulfur batteries. Pure aluminate structure qualifies for HTS 2841.90.40.00 as oxometallic salt. High ionic conductivity material.
Duty Rate — Mexico → United States
13.1%
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
• Ionic conductivity test data; battery exemption possible
• Pitfall: ceramic parts to 8547 if formed