IR-Transparent Fused Silica Mass from Japan
Bulk fused silica mass with high infrared transmission for thermal imaging domes. Classified HTS 7001.00.10.00 for unworked fused quartz glass in the mass.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• IR spectrum certification (8-12um transmission); differentiates from UV grades
• No absorbent layers per chapter note; uncoated mass only
• Military end-use declarations may trigger BIS licensing