Crystal Puller Seed Holder Chuck from Germany
Graphite or quartz seed crystal holder with rotation mechanism for initiating boule growth in Czochralski pullers. Essential part for crystal grower machinery under heading 8430. 8431.49.90.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.82.2215%Section 232: derivative steel (c)(xi), product of AR/EC/SV/GT/JP/KR/LI/CH/TW/GB/EU — 15%
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Material purity specs (99.999%+) and temperature rating (>1400°C) required
• Pitfall: graphite articles under 6815 if not machinery part
• Thermal shock test data helpful