Zirconia Ceramic Spark Plug Insulators from Germany
High-strength zirconia insulators for automotive and industrial spark plugs, providing 30kV+ dielectric strength and thermal shock resistance. The ceramic core insulates the central electrode from the metal shell. Classifies 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 yttria-stabilized zirconia composition and thermal expansion coefficient data
• Include spark plug thread size compatibility and bend strength (>800MPa) specs