Lapper Slurry Flow Controller from China
A precision flow control valve assembly for wafer lapping machines that regulates nanoliter/minute slurry delivery for consistent material removal rates, maintaining bow/warp specifications. It is a part of the wafer lapping machines of tariff item 8479.89.10.
Duty Rate — China → Canada
0%
Import Tips
• Declare this as a part of the wafer lapper (8479.89.10) and provide the machine's model number
• If the flow controller is a valve, verify whether it is classified under heading 84.81 as a general-purpose valve
• Ensure the assembly is not considered a measuring instrument, which would fall under Chapter 90