Wafer Grinder Coolant Distribution Ring from China
A nozzle ring assembly that evenly distributes coolant during crystal boule and wafer grinding operations, preventing thermal damage to semiconductor material. It is designed for sub-micron precision grinding. This ring is a part of the goods of tariff item 8479.89.10.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the ring is designed solely for use with wafer or boule grinders
• Provide technical drawings showing its nozzle configuration
• Check if the ring is made of metal or plastic, which might affect classification