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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document electropolish specs and semiconductor end-use; cross-reference statistical notes (b)(ii)(C)
• Avoid generic 'industrial valve' descriptions