Boule Diameter Grinder from Germany
Boule diameter grinders reduce crystal boules to uniform wafer-matching diameters, fitting HTS 8448.32.0090 as parts for textile fiber prep machines (8445). Per notes, used in semiconductor crystal grinding for precise wafer production.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Invoice with diameter tolerance specs (e.g
• ±0.1mm for 300mm wafers)
• Link to specific boule puller models for principal use evidence