Boule Diameter Grinder from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Invoice with diameter tolerance specs (e.g
• ±0.1mm for 300mm wafers)
• Link to specific boule puller models for principal use evidence