Hastelloy Check Valve for Crystal Grinder Coolant from Japan
Corrosion-resistant Hastelloy hand-operated check valve for lapping fluid systems in crystal grinders preparing semiconductor wafers to exact diameters. HTS 8481.90.5000 includes nickel alloys as 'other materials' for check appliances.
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
• Provide alloy composition analysis confirming Hastelloy C-276 for acidic coolants
• Link to boule grinding process in commercial invoice for correct chapter placement