Float Zone Crystal Grower Quartz Crucible from Japan
High-purity quartz crucible used in float zone crystal growers to contain molten silicon during the zone refining process for semiconductor material production. This non-electrical part maintains material purity at extreme temperatures. Falls under 8487.90.00 as an unspecified machinery part for semiconductor equipment.
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
• Require material certificates proving high-purity quartz suitable only for semiconductor processing
• Confirm no electrical connectors or features present
• Common pitfall: incorrect classification as glassware under Chapter 70