Planetary Gear Set for Crystal Puller Rotation from Canada
Compact planetary gear reduction set providing high-torque, low-speed crucible rotation in Czochralski crystal pullers for uniform semiconductor boule growth.
Duty Rate — Canada → United States
27.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Specify rotation speeds (0.1-10 RPM typical) and torque ratings for pullers
• High-temperature alloy certification required for melt zone proximity