Fused Silica Ultraviolet Mirror from Canada
A mirror made from fused silica substrate with dielectric coatings optimized for UV wavelengths, used in lithography systems. Classified in HTS 9001.90.60.00 as an unmounted mirror for optical applications requiring high UV transmission.
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
• Include UV reflectivity and damage threshold specifications in technical documentation
• Confirm substrate purity and coating durability meet optical element standards
• Separate from excimer laser systems to maintain individual element classification