High-Purity ZnS Luminescent Crystals (99.99%) from Japan
Crystalline zinc sulfide of luminescent grade with purity exceeding 99.99% by weight, ideal for scintillator materials in radiation detectors. Classified under HTS 2830.90.1000 due to its chemical definition as zinc sulfide meeting the luminescent purity standard in Chapter 28. Excludes lower grades or non-luminescent uses.
Duty Rate — Japan → United States
10%
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
• Require crystal structure analysis (XRD) certificates to prove luminescent grade; label packages clearly as 'ZnS luminescent 99.99%'
• Avoid misdeclaration as optical elements which could trigger Chapter 90 duties