Steel Diaphragm Valve for Wafer Lapping Slurry Control from China
A hand-operated steel diaphragm valve component regulating abrasive slurry flow in wafer lappers and polishers for semiconductor surface flatness. It is classified under tariff item 8481.90.00 as a steel part of hand-operated valves in wafer preparation.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the diaphragm is a replacement part for a valve, not a standalone membrane
• Provide the valve model and manufacturer details
• Document the semiconductor application to support classification