Laboratory Mullite Electrical Insulators from Germany
Mullite (3Al2O3·2SiO2) ceramic standoffs and tubes for laboratory high-voltage testing equipment and spark testers. Excellent arc resistance and machinability. HTS 8546.20.00.90 classification.
Duty Rate — Germany → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include mullite purity (>99%) and volume resistivity (>10^14 ohm-cm) data
• Specify surface finish (Ra < 0.8μm) for high-voltage applications