Copper Cooling Plate for Float Zone Crystal Furnace from Germany
High-purity copper cooling plate for heat dissipation in float zone crystal growers under heading 8430. Used to produce monocrystalline semiconductor boules like gallium arsenide via zone melting. HTS 8431.49.90.92 applies as copper part for 8430 semiconductor processing machinery.
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
• Purity certificates (>99% copper) required to distinguish from alloyed versions
• End-use statement linking to float zone method per statistical notes strengthens classification