Mica Window Strips for Furnaces from Mexico
Transparent strips of split mica used as peephole windows in high-temperature furnaces and stoves. They are worked mica articles under HTS 6814.90.00.00, valued for heat resistance without melting or cracking.
Duty Rate — Mexico → United States
12.6%
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
• Include thickness and transparency specs to confirm as worked mica, not raw sheets
• Avoid framing; framed windows may classify as furnace parts under 8417 or 8516
• Certify heat tolerance over 500°C to differentiate from plastic alternatives