Aluminum Sodium Oxide (Beta-Alumina) from Japan
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 — Japan → United States
3.1%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Ionic conductivity test data; battery exemption possible
• Pitfall: ceramic parts to 8547 if formed