Copper Alloy Check Valve for Wafer Slicing Coolant Lines from Germany
High-pressure copper check valve (over 850 kPa) for coolant circulation in wafer slicing saws, preventing reverse flow that could damage diamond blades during monocrystalline boule slicing. HTS 8481.30.10.90 applies to its copper material and pressure rating in semiconductor wafer manufacturing.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include equipment compatibility specs for wafer fab certification; ensure leak test results for high-pressure claims; watch for anti-dumping duties on Asian copper valve imports