Fused Quartz Bulk Fibers from Mexico
Pure fused quartz glass fibers in bulk for high-temperature applications like fiber optics preforms. Explicitly included as 'glass' throughout tariff schedule per chapter note; bulk form fits HTS 7019.90.51.20 perfectly. Not annealed or cut to shape.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify purity levels >99% SiO2; avoid any drawing processes pre-import
• Use ESD-safe bulk packaging for electronics grade
• Confirm no metal coatings triggering 'worked' status