Crystal Boule Grinder from Canada
Crystal boule grinders precisely grind semiconductor crystal boules to exact diameters and flats indicating conductivity, classified as accessories for 8445 fiber prep machines in HTS 8448.32.0090. It supports wafer manufacturing by preparing boule dimensions like textile fiber processing tools.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Label with precise tolerances (e.g
• flat grinding for resistivity indication) for customs
• Pair with 8445 machine serial numbers in entry docs for principal use proof