High Purity Butterfly Valve for Wafer Grinding from Mexico
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 — Mexico → United States
15.6%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, 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