Gallium Arsenide Wafer Lapping Filter Assembly from China
A filter part for lapping machines that flatten semiconductor wafers sliced from gallium arsenide boules. It ensures the lapping slurry remains free of debris, which is critical for achieving surface flatness. This part is classified under tariff item 8421.99.00 as a component of liquid filtering machinery for semiconductor wafer preparation.
Duty Rate — China → Canada
0%
Import Tips
• Clearly indicate that the filter assembly is a part of a lapping machine's slurry filtration system to justify classification under 8421.99.00
• The CBSA may require a statement of use, so include a brief description of the lapping process
• Verify if the filter assembly is eligible for duty relief under a remission order for semiconductor equipment