Electronic Tube Sealing Machine from Canada
Precision equipment that fuses glass envelopes around vacuum tube electrodes and semiconductor elements under controlled atmospheres. HTS 8475.10.00.00 specifically covers such assembly machines for electronic tubes in glass envelopes.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Atmosphere control specs (vacuum/argon) must be documented for tube classification
• Include glass-to-metal seal technology descriptions
• Avoid declaring as general glass working without electronic component assembly