Mica Vacuum Tube Spacers from Canada
Stamped mica washers and spacers insulating electrodes in vacuum tubes for radios and amplifiers. HTS 6814.90.00.00 applies to these worked mica electronic insulators.
Duty Rate — Canada → United States
12.6%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide tube assembly diagrams showing spacer function without constituting complete tubes
• Declare as 'other mica articles' explicitly on commercial invoice
• Avoid sets with metal pins; complete assemblies shift to Chapter 85