Investment Casting Wax Pattern for Turbine Blades from Japan
A precision wax pattern used in the lost-wax investment casting process to create intricate turbine blade shapes for aerospace engines. It is classified under HTS 8480.30.00.00 as a molding pattern because it serves as the expendable template that forms the mold cavity when invested in ceramic slurry and melted out.
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
• Verify the pattern is specifically for molding and not a finished part; provide engineering drawings showing mold-forming intent to avoid reclassification as a metal component
• Include certificates of material composition (e.g
• wax type) and foundry process documentation to confirm use in metal casting