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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document electropolish specs and semiconductor end-use; cross-reference statistical notes (b)(ii)(C)
• Avoid generic 'industrial valve' descriptions