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8546.90.00.00/Zirconia Ceramic Insulator/Japan

Zirconia Ceramic Insulator from Japan

Yttria-stabilized zirconia ceramic insulators for spark plugs and high-frequency applications. Classified under HTS 8546.90.00.00 as advanced ceramic electrical insulators.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Document yttria stabilizer content; specify thermal conductivity; include Weibull modulus for strength reliability

Zirconia Ceramic Insulator from Japan — Import Duty Rate | HTS 8546.90.00.00