Fused Quartz Glass Lumps from Mexico
High-purity fused quartz glass in irregular lump form, created by fusing silica at high temperatures into a massive, unworked state. Falls under HTS 7001.00.20.00 per Chapter 70 note including fused quartz as 'glass in the mass, other', ideal for remelting in optics production.
Duty Rate — Mexico → United States
13%
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
• Include lab analysis proving silica content >99% to confirm fused quartz status under Chapter 70 definitions
• Avoid packaging that suggests worked glass; ship in bulk to prevent reclassification as articles