Bismuth Telluride Powder from Japan
Bismuth telluride is the leading thermoelectric material for Peltier coolers and power generators, imported as fine powder. HTS 2842.90.90.10 covers it as a chemically defined telluride salt of inorganic base bismuth. High purity grades optimize figure of merit ZT.
Duty Rate — Japan → United States
13.3%
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
• Test for impurities affecting performance; DOT shipping as ORM-D if not hazardous
• Pitfall: sets with metals may go to Section XV