8481.80.30.30/High Purity Butterfly Valve for Wafer Grinding/Japan

High Purity Butterfly Valve for Wafer Grinding from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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