Picture Tube Base Glass Seal from Mexico
A fused glass-to-metal seal that hermetically connects CRT base pins to the glass envelope, maintaining vacuum integrity. It uses a custom frit composition for thermal matching. This is a part of a cathode-ray tube, not a front panel assembly, and is classified as other CRT parts.
Duty Rate — Mexico → Canada
0%
Import Tips
• Classify the seal as a part of a cathode-ray tube, not as a glass article of Chapter 70
• Provide technical data on the frit composition to support the classification
• Ensure the seal is not part of a front panel assembly, which would be classified elsewhere