Gettering Ring for CRT Vacuum Processing from Canada
Barium flash getter ring that activates during CRT evacuation to absorb residual gases maintaining high vacuum. Positioned on CRT base pins. HTS 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
• Specify activation temperature (800-900°C); vacuum package to prevent oxidation; document barium purity