IR-Transparent Fused Silica Mass from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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