Silicon Ingot Mold Grinding Fixture from Canada
Fixture part for holding ingot molds during precision grinding in semiconductor metallurgy preparation. Ensures diameter accuracy for crystal boules used in wafer slicing. As a part of casting machine tooling, it's under 8454.90.00.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include photos/drawings of fixture-mold interface to prove specificity to 8454 equipment
• Declare tolerance specs (e.g
• ±0.1mm) to support foundry precision claim
• Avoid 'general tooling' description to prevent 8466 classification