Zinc Tungstate Diagnostic Grade from China
Zinc tungstate (ZnWO4) diagnostic grade is employed in CT scanner scintillators, classified under HTS 2841.80.00 as a tungstate salt. It offers fast decay time for imaging.
Duty Rate — China → United States
30.5%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
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
• ISO 13485 medical device supplier certification expedites entry
• Scintillation efficiency reports validate pure compound status
• Radiation safety officer declaration for transport