Alumina Ceramic Post Insulators from Germany
Cylindrical post insulators made from 95% alumina ceramic for use in electrical substations to support busbars and equipment up to 36kV. They offer high puncture resistance and tracking resistance in polluted environments. Falls under 8546.20.00.90 as other ceramic electrical insulators.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide alumina purity percentage (>92%) and IEC 60168 standard compliance certificates
• Label with creepage distance (minimum 31mm/kV) to demonstrate electrical performance
• Avoid misdeclaration as 'silicon carbide' types which may require different surge protection classification