High-Purity Silica Powder for LEDs from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide impurity analysis (<10 ppm metals) and XRD confirming amorphous structure
• Declare intended use as chemical intermediate, not finished optical element