Preliminary Silicon Nitride Ball Bearings for Wafer Polishers from United States
Unground ceramic silicon nitride ball bearings, specifically designed for wafer polishers in semiconductor fabrication. These bearings achieve mirror finishes on semiconductor wafers before fabrication and are classified as unground bearings under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the bearings are truly unground (not finished) to qualify for this tariff item; provide a certificate of origin if claiming preferential duty treatment under a free trade agreement
• Keep detailed technical specifications to support classification if requested by CBSA