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
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include mullite purity (>99%) and volume resistivity (>10^14 ohm-cm) data
• Specify surface finish (Ra < 0.8μm) for high-voltage applications