Macor Machinable Ceramic Bearing Bushes from Mexico
Macor glass-ceramic machinable bushes for prototype lab bearings and chemical fixtures. Fired microcrystalline structure allows post-firing machining for technical precision. Under HTS 6909.19.50.10 as ceramic technical bearings.
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
• Document machinability as value-add after firing to confirm Chapter 69
• Avoid bulk import suggesting packing receptacles under 6909.90
• Test absorption; glass-ceramics may border stoneware definitions