Fused Silica Beam Splitter from Japan
Mounted fused silica plate with dielectric coating that splits laser beams 50/50 for interferometers and holography systems. HTS 9002.90.95.00 as mounted high-purity silica optical element for measuring instruments. Extreme thermal stability for precision applications.
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
• Include coating specifications and reflectivity curves
• Classify as interferometer parts vs. general silica in Chapter 70
• Verify clean room packaging requirements for contamination control