Other
Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof: > Parts: > Other: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8419.90.95.80
Semiconductor Wafer Crystal Puller Spare Impeller
Replacement impeller for Czochralski crystal pullers used in growing monocrystalline silicon boules for semiconductor wafers. This part facilitates the precise temperature-controlled melting and pulling process essential for semiconductor material production. Classified under 8419.90.95.80 as a part of temperature treatment machinery for semiconductor manufacturing.
Float Zone Crystal Grower Heating Element
High-temperature heating element for float zone furnaces used to produce pure monocrystalline semiconductor boules from polycrystalline rods. It maintains precise thermal gradients during the zone melting process for semiconductor wafer production. Falls under 8419.90.95.80 as a part for temperature change machinery in semiconductor processing.
Wafer Slicing Saw Cooling Pump Module
Integrated cooling pump assembly for diamond wire wafer slicing saws that cut semiconductor boules into thin wafers. Provides temperature-controlled coolant circulation to maintain blade precision during high-speed slicing. Classified as a part of 8419 temperature treatment machinery for semiconductor wafer preparation.
Wafer Grinder Coolant Chiller Coil
Evaporative cooling coil for coolant chillers in wafer grinding machines that prepare semiconductor wafers to precise tolerances. Maintains sub-ambient temperatures during grinding to prevent thermal damage. Part of 8419.90.95.80 for semiconductor wafer processing temperature equipment.
Wafer Lapping Machine Temperature Control Valve
Precision solenoid valve for controlling slurry temperature in wafer lapping equipment that achieves flatness critical for semiconductor fabrication. Regulates flow to maintain consistent process temperatures. Classified under 8419.90.95.80 as part of semiconductor temperature treatment machinery.
Semiconductor Wafer Polisher Heating Mantle
Flexible heating mantle for maintaining polishing slurry temperature in chemical mechanical planarization (CMP) equipment for semiconductor wafers. Ensures uniform chemical reaction rates across wafer surface. Part of 8419.90.95.80 temperature processing machinery.
Crystal Boule Grinder Coolant Recirculator
Temperature-controlled coolant recirculation unit for crystal boule grinders that prepare semiconductor material for wafer slicing. Maintains precise coolant temperature to prevent microcracking. Falls under 8419.90.95.80 for semiconductor processing parts.
Wafer Dryer Steam Generator Nozzle
Specialized nozzle assembly for steam generators in Marangoni wafer drying systems used post-polishing in semiconductor fabs. Delivers precisely temperature-controlled vapor for defect-free drying. Classified as 8419.90.95.80 part for semiconductor temperature treatment.
Czochralski Puller Crucible Cooling Jacket
Water-cooled jacket surrounding the quartz crucible in Czochralski crystal pullers for semiconductor silicon production. Controls melt temperature gradients critical for crystal quality. Part of 8419.90.95.80 temperature machinery for semiconductor manufacturing.
Wafer Polishing Slurry Heater Assembly
Inline heater assembly for maintaining CMP slurry temperature during semiconductor wafer polishing. Ensures consistent chemical reaction kinetics across polishing pad. Classified under 8419.90.95.80 as semiconductor temperature processing equipment part.