Float Zone Crystal Grower from Mexico
Apparatus employing the float zone method to produce ultra-pure monocrystalline semiconductor ingots from polycrystalline rods. Classified in HTS 8473.40.86.00 as a part/accessory for heading 8472 semiconductor manufacturing machines. Critical for high-resistivity silicon used in power devices.
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 manufacturer's declaration confirming exclusive use in semiconductor crystal growth processes
• Document compatibility with heading 8472 machines to prevent reclassification
• Watch for valuation issues with complex RF heating systems included in the unit