Zirconia Ceramic Stand-Off Insulator from Japan
A high-strength zirconia ceramic stand-off insulator for mounting busbars in electrical panels, resistant to thermal shock. It qualifies under HTS 8546.20.00 as a ceramic electrical insulator for industrial power distribution.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide thermal expansion coefficient data matching application specs
• Test for partial discharge per IEC 60270
• Avoid classifying as machine parts (8431.49) by highlighting electrical insulation function