Brass Ball Valve for Semiconductor Wafer Processing from Mexico
A hand-operated brass ball valve designed for controlling gas flow in crystal growers and pullers used to produce monocrystalline semiconductor boules via Czochralski method. Made of brass (other material per 8481.80.50), it features precision sealing for ultra-pure environments in wafer manufacturing equipment. Classified here as a hand-operated valve for pipes in semiconductor processing apparatus.
Duty Rate — Mexico → United States
Rate breakdown
Import Tips
• Verify material composition certification showing brass content to confirm 'other materials' classification excluding iron/steel
• Include documentation proving use in semiconductor manufacturing to support valuation and potential duty relief programs
• Ensure valves meet pressure and leak test standards for cleanroom compatibility to avoid customs holds