Float Zone Crystal Grower from Japan
Float zone crystal grower used to produce high-purity monocrystalline silicon boules via the float zone method for semiconductor wafer fabrication. Falls under HTS 8448.20.50 as other auxiliary machinery for heading 8444 machines in semiconductor material processing. Critical for achieving ultra-low impurity levels required in device manufacturing.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide evidence of Czochralski or float zone method specificity to confirm auxiliary status for 8444 machines
• Label equipment clearly as 'semiconductor crystal growth apparatus' to prevent reclassification
• Avoid pitfall of bulk import without end-use certificates, which can trigger audits for dual-use technology