Mechanical appliances for projecting, dispersing or spraying, of a kind used solely or principally for the manufacture of printed circuits or printed circuit assemblies
Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines; parts thereof: > Other appliances: > Mechanical appliances for projecting, dispersing or spraying, of a kind used solely or principally for the manufacture of printed circuits or printed circuit assemblies
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 8424.89.10.00
Solder Mask Spray Applicator for Printed Circuit Boards
Specialized spray system for uniform application of liquid solder mask onto bare PCBs, protecting copper traces during assembly. Features precision nozzles for micron-level control used principally in printed circuit assembly lines. Falls under HTS 8424.89.10.00 as a mechanical dispersing appliance dedicated to PCB manufacturing.
Conformal Coating Spray Booth for Printed Circuit Protection
Enclosed mechanical spray chamber that evenly disperses protective conformal coatings (urethane/acrylic) over assembled printed circuit boards for moisture/dust resistance. Features HVLP precision spraying optimized for electronics assemblies. HTS 8424.89.10.00 due to dedicated role in PCB finishing processes.
Plasma Photoresist Stripper Spray System
Mechanical spray apparatus that projects chemical strippers combined with plasma activation to remove photoresist from processed printed circuit substrates post-etching. Critical for multi-layer PCB fabrication cleanrooms. Falls under HTS 8424.89.10.00 for printed circuit manufacturing appliances.
Developing Solution Spray Processor for Printed Circuits
Inline mechanical spray processor that disperses alkaline developing solutions to selectively remove unexposed photoresist from exposed printed circuit panels after UV imaging. Essential for pattern transfer in PCB manufacturing. HTS 8424.89.10.00 classification for circuit-specific liquid projecting.
Etchant Spray Etching Machine for PCB Copper Layers
High-velocity mechanical spray system projecting ferric chloride/ammonium persulfate etchants to remove unwanted copper from photoresist-patterned printed circuit boards. Includes etchant recirculation for production efficiency. Dedicated PCB equipment under HTS 8424.89.10.00.
Pallet Spray Conveyor for Printed Circuit Panel Processing
Automated conveyorized mechanical spray platform that transports PCB panels through multiple liquid processing stations (developer, etch, strip) using precision spray manifolds. Integrated system for high-throughput printed circuit production. HTS 8424.89.10.00 for specialized PCB manufacturing appliances.
Photoresist Spray Coater for PCB Manufacturing
This mechanical appliance precisely sprays liquid photoresist onto PCB substrates to create uniform photoresist layers essential for the photolithography process in printed circuit manufacturing. It is designed solely for high-precision dispensing in cleanroom environments used for printed circuits. Classified under HTS 8424.89.10.00 due to its principal use in projecting liquids for PCB fabrication.
Flux Spraying Machine for SMT Printed Circuit Assembly
Automated mechanical sprayer that projects selective flux onto PCB pads prior to surface-mount soldering, ensuring reliable joints in high-volume assembly. Optimized for printed circuit assemblies with programmable spray patterns. HTS 8424.89.10.00 classification applies due to exclusive use in PCB soldering processes.
Underfill Dispensing Sprayer for BGA Printed Circuit Packages
Precision jetting system for spraying capillary underfill materials beneath BGA chips on printed circuit boards, preventing delamination during reflow. Mechanical projecting appliance designed principally for advanced PCB assembly. Classified in HTS 8424.89.10.00 per chapter notes for printed circuit manufacture.