Graphite Seals for Electrical Slip Ring Assemblies from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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