Float Zone Crystal Grower from Canada
Equipment employing the float zone method to purify and grow monocrystalline semiconductor boules by melting a narrow zone of polycrystalline rod with RF heating. Falls under HTS 8479.89.95.99 for wafer manufacturing in semiconductor processing. Used for high-purity silicon without crucible contamination.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Declare RF coil specifications and zone melting parameters to distinguish from standard melting furnaces
• Obtain advance ruling from CBP on classification, as float zone tech blurs lines with 8486 furnaces