Crystal Boule Flat Grinding Roll from Canada
Specialized roll for grinding orientation flats on semiconductor crystal boules to indicate resistivity and conductivity type. Under HTS 8455.30.00.65 as ≤2,268 kg roll for rolling mills in wafer manufacturing equipment. Standard industry practice before slicing.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include flat position charts (primary/secondary flats) per SEMI standards
• Weight verification essential for subheading
• Avoid general metal grinding classification by specifying boule application