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8481.80.30.30/High Purity Butterfly Valve for Wafer Grinding/Canada

High Purity Butterfly Valve for Wafer Grinding from Canada

Hand-operated cast iron butterfly valve with electropolished interior for semiconductor wafer grinding equipment coolant systems, HTS 8481.80.3030. Used post-crystal grinding to maintain flatness tolerances per statistical notes. Resists slurry abrasion.

Duty Rate — Canada → United States

15.6%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Document electropolish specs and semiconductor end-use; cross-reference statistical notes (b)(ii)(C)

• Avoid generic 'industrial valve' descriptions