Picture Tube Base Glass Seal from Canada
Fused glass-to-metal seal that hermetically connects the CRT base pins to the glass envelope while maintaining vacuum integrity. Custom frit composition for thermal matching. Classified 8540.91.50.00.
Duty Rate — Canada → United States
15.4%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide frit composition analysis; test for helium leak rates; document Kovar pin material specs