Pneumatic Butterfly Valve for CMP Slurry Distribution from Canada
Butterfly valve pneumatically actuated for chemical mechanical planarization (CMP) slurry distribution in wafer polishers. Falls under HTS 8481.80.9040 as other appliance for semiconductor processing tanks. PTFE-lined for chemical resistance.
Duty Rate — Canada → United States
12%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify wetted materials for CMP slurries (silica, ceria); verify 1000:1 turndown ratio capability; include SEMI S2 safety certification