Precision Copper Balls for Float Zone Crystal Grower Bearings from Mexico
High-purity copper alloy balls for vacuum bearings in float zone crystal growers that produce semiconductor boules from polycrystalline silicon rods. These balls are classified under tariff item 8482.91.00 as bearing balls for use in crystal grower bearings.
Duty Rate — Mexico → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Provide documentation on the copper alloy's purity and precision for bearing classification
• Ensure the balls meet the tolerance requirements of Note 7
• Keep records of the end-use in semiconductor manufacturing