High-Purity Silica Powder for LEDs from Canada
High-purity synthetic silica powder (>99.99% SiO2) used in LED phosphor production and optical applications. Falls under HTS 2811.22.5000 as other silicon dioxide, chemically defined per Chapter 28 notes.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide impurity analysis (<10 ppm metals) and XRD confirming amorphous structure
• Declare intended use as chemical intermediate, not finished optical element