Low-Iron Silica Sand for Flat Glass Production from Mexico
Manufactured from crushed quartzite, this sand has 97% silica and 0.2% iron oxide max, for clear float glass sheets in windows and mirrors. Classified HTS 2506.10.0010 for its artificial processing and compliance with silica/iron limits, distinguishing it from raw natural sands.
Duty Rate — Mexico → United States
10%
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
• Use wet chemistry or ICP-MS testing for iron verification; retain records for 5 years per CBP rules
• Mark invoices with exact HTS, silica %, and iron % to facilitate automated entry processing