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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document yttria stabilizer content; specify thermal conductivity; include Weibull modulus for strength reliability