Multilayer Ceramic Feedthrough Insulators from Mexico
Hermetic feedthrough insulators with multiple gold-plated pins in 99.5% alumina body for vacuum chamber penetrations in semiconductor equipment. Vacuum tight to 1x10^-9 Torr. 8546.20.00.90 for other ceramic electrical insulators.
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
• Provide helium leak rate (<1x10^-9 sccm) and pin-to-pin capacitance specs
• Document pin plating (gold thickness >2.5μm) and braze material