Crystal Boule Grinder from United States
Crystal boule grinders precisely grind semiconductor crystal ingots to exact diameters and cut flats indicating conductivity type, using controlled cooling during abrasive processes to prevent thermal damage. This equipment is classified under tariff item 8419.89.00 due to its temperature-controlled processing function.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the grinder's cooling system is integral to its function to qualify for this tariff item
• Provide technical documentation showing the temperature control features
• Verify if the grinder is subject to any export controls or permits