Float Zone Crystal Bearing Inner Ring from Germany
Float zone purified silicon inner ring for vacuum ball bearings in zone refining equipment. Ultra-low oxygen content prevents contamination in GaAs crystal growth. HTS 8482.99.05.00 for specialized ball bearing inner rings.
Duty Rate — Germany → United States
34.9%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Document float zone process (oxygen <1ppb) and vacuum rating (>10^-8 Torr)
• Distinguish from Czochralski material via impurity specs
• Single-piece import only; assembled vacuum bearings may reclassify