Hastelloy Plug Valve for Crystal Boule Grinding Coolant from Japan
Corrosion-resistant hand-operated Hastelloy plug valve for coolant control in crystal grinders shaping semiconductor boules with conductivity flats. Hastelloy withstands aggressive grinding fluids in wafer prep equipment. HTS 8481.80.50 for other material hand valves in semiconductor apparatus.
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%
Import Tips
• Provide chemical composition analysis certifying Hastelloy grade for classification
• Link to specific grinder model via manufacturer's documentation
• Avoid bulk packaging declarations; specify individual valve units