Steatite Ceramic Bushings from Mexico
Steatite (magnesium silicate) ceramic bushings used in low to medium voltage switchgear for conductor insulation through enclosure walls. Known for low electrical loss and high thermal stability up to 1000°C. Classified in 8546.20.00.90 as other ceramic electrical insulators.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include specific gravity (2.7-2.9) and loss tangent (<0.006) test data for steatite verification
• Document IP rating (IP54 minimum) for enclosure applications