Float Zone Crystal Grower Quartz Crucible from Mexico
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 — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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