Alumina Ceramic Feedthrough Insulator from Mexico
Hermetically sealed 99.5% alumina ceramic feedthrough for high-vacuum systems, passing conductors while maintaining insulation. HTS 8546.20.00 for this ceramic electrical insulator in RF/microwave applications.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Helium leak rate certification (<10^-9 atm cc/sec)
• RF power handling and VSWR specifications
• Distinguish from vacuum tube parts (8540.91)