New Semiconductor Wafer Slicing Saw from Mexico
High-precision inner-diameter saw for slicing ultra-thin wafers from monocrystalline semiconductor boules with minimal kerf loss and damage. Classified in new category HTS 8439.10.0010 for wafer preparation in pulp-making machinery per statistical notes. Uses diamond blades for silicon and compound semiconductors.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide blade specs and slicing tolerance data to prove semiconductor application
• Ensure customs declaration specifies 'new' with serial numbers unused
• Pitfall: mislabeling as woodworking saws under 8465