Wafer Polisher Slurry Distribution Ring from Germany
A perforated ring that evenly distributes chemical slurry across the semiconductor wafer surface during polishing operations, critical for uniform material removal rates. This mechanical process part has no electrical features and is not specified or included elsewhere in Chapter 84, falling under tariff item 8487.90.00.
Duty Rate — Germany → Canada
0%
Import Tips
• Ensure the ring is not classified as a part of a machine of heading 84.24 (mechanical appliances for projecting liquids) — if it is a complete sprayer, it may be excluded
• Document its role in the polishing machine
• Confirm no electrical features are present