High-Silica Glass Yarn from Mexico
High-silica (>80% SiO2) yarn for thermal protection in aerospace and furnace applications. Classifies under HTS 7019.13.35.00 as 'other' glass fiber yarn. Leached composition provides extreme heat resistance.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit silica content analysis (ASTM C169) to distinguish from standard compositions
• Handle as hazardous material if fiber length <6 microns for respiratory protection
• Mark 'not for apparel/textile use' to prevent Chapter 62 misrouting