Hastelloy Check Valve for Crystal Grinder Coolant from Canada
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 — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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