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8546.20.00.90/Zirconia Ceramic Spark Plug Insulators/Mexico

Zirconia Ceramic Spark Plug Insulators from Mexico

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 — Mexico → United States

13%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide yttria-stabilized zirconia composition and thermal expansion coefficient data

• Include spark plug thread size compatibility and bend strength (>800MPa) specs

Zirconia Ceramic Spark Plug Insulators from Mexico — Import Duty Rate | HTS 8546.20.00.90