Macor Machinable Ceramic Bearing Bushes from Japan
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 — 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
• 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