Gettering Ring Assembly for CRT from Mexico
Barium gettering ring assembly that activates during CRT sealing to absorb residual gases, maintaining vacuum integrity. Falls under HTS 8540.99.8000 as essential 'other' CRT parts for tube life extension. Used in all vacuum tube manufacturing.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide activation temperature specs (typically 800-1000°C) for verification
• Store/import in inert atmosphere to prevent premature barium oxidation
• Hazardous material shipping papers required for barium content