Float Zone Crystal Grower for Gallium Arsenide from Canada
Equipment employing the float zone method to produce high-purity monocrystalline gallium arsenide boules for semiconductor wafers. Classified under HTS 8455.21.00.00 as a hot rolling mill due to the hot zone melting and zone refinement process simulating hot rolling of semiconductor material into boule form.
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 process flow diagrams showing float zone operation for semiconductor boule production
• Ensure labeling specifies material compatibility (e.g
• GaAs) to distinguish from steel rolling mills