Copper Alloy Check Valve for Wafer Slicing Coolant Lines from Canada
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 — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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