Zirconia-Toughened Alumina Insulator from Canada
Advanced ZTA ceramic insulator for high-voltage circuit breakers in low-frequency power grids, offering fracture toughness over 5 MPa·m½. Designed for seismic-prone areas. HTS 8546.20.00.60 for other high-voltage low-freq ceramic insulators.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide fracture toughness and Weibull modulus data; ensure RoHS compliance for trace elements; differentiate from pin types under 8546.20.00.40