Graphite Seals for Electrical Slip Ring Assemblies from Japan
Self-lubricating graphite sealing rings used in high-speed electrical slip ring assemblies to prevent contamination while maintaining electrical brush contact. Classified under HTS 8545.90.40.00 for carbon articles in electrical applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document slip ring RPM capability and sealing pressure ratings
• Verify graphite lubricity properties through coefficient of friction testing
• Specify electrical isolation properties for high-voltage applications