Zinc Telluride Crystals from Canada
Zinc telluride is a semiconductor compound grown into crystals for infrared detector applications and thermoelectric devices. Classified under HTS 2842.90.90.10 as a telluride salt of an inorganic base per Chapter 28 notes. It meets the criteria for chemically defined metal tellurides excluding complex cyanates.
Duty Rate — Canada → United States
13.3%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include certificates of analysis confirming composition; comply with ITAR if for defense applications
• Avoid delays by distinguishing from optical elements under Chapter 90