Reaction-Bonded Silicon Carbide Bearing Races from Mexico
RBSC ceramic races for custom technical bearings in chemical processing plants. Reaction-bonded and fired for dimensional stability in aggressive environments. Classified HTS 6909.19.50.10 for ceramic bearing components.
Duty Rate — Mexico → United States
14%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Certify reaction-bonding doesn't introduce metallic phases exceeding cermet limits
• Use technical data sheets showing <3% water absorption per US notes
• Prevent Chapter 95 classification by excluding toy/sport dimensions