Crystal Boule Grinder from Canada
Precision grinder that disperses diamond slurry or abrasive liquids to grind semiconductor crystal boules to exact diameter and flat specifications. Classified in HTS 8424.89.9000 as other appliances for projecting/dispersing liquids in wafer preparation.
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
• Document abrasive slurry dispersion system in technical literature for proper 8424 classification
• Ensure FDA-equivalent cleanliness certifications for semiconductor contact surfaces