Other
Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof: > Machines and apparatus for electroplating, electrolysis or electrophoresis: > 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 8543.30.90.80
Industrial Electroplating Rectifier
A DC power supply unit designed specifically for electroplating processes, converting AC to controlled DC current for metal deposition in industrial plating baths. It falls under HTS 8543.30.90.80 as an electrical apparatus with the individual function of providing power for electroplating, not specified elsewhere in Chapter 85. This machine ensures uniform coating thickness on automotive parts and hardware.
Electrophoresis Power Supply Unit
Precision DC power supply for gel electrophoresis equipment used in molecular biology labs to separate DNA/RNA fragments by electrical charge. Classified under 8543.30.90.80 for its specific electrophoresis function, providing programmable voltage up to 300V with constant current/voltage modes. Essential for protein analysis and genetic research applications.
Cathodic Protection Rectifier
Transformer-rectifier unit for impressed current cathodic protection systems preventing corrosion on pipelines, ship hulls, and offshore platforms. Falls under HTS 8543.30.90.80 as specialized electrolysis apparatus generating protective DC current through sacrificial anodes. Automatically adjusts output based on pipeline potential monitoring.
Anodizing Power Supply
High-current DC power supply for aluminum anodizing processes creating oxide layers for corrosion resistance and decoration. Classified in 8543.30.90.80 for electroplating-specific function with pulse reverse current capabilities preventing burn spots. Used in aerospace and architectural aluminum finishing.
Electrolysis Hydrogen Generator Power Supply
Specialized high-efficiency power supply for PEM electrolyzers producing hydrogen gas through water electrolysis. Under HTS 8543.30.90.80 as electrolysis apparatus with precise current density control for optimal hydrogen yield. Used in renewable energy and industrial gas production.
Electrowinning Cell Controller
Electrical control unit for copper/gold electrowinning cells recovering metals from leach solutions via electrolysis. HTS 8543.30.90.80 classification for specialized mining electrolysis function with cell voltage monitoring and rectifier sequencing. Critical for precious metal recovery operations.
Laboratory Electrophoresis Tank Power Supply
Compact power supply for mini/submarine gel electrophoresis tanks used in biotech research labs. Provides 50-500V with timer and automatic shutoff for DNA/RNA separation. Classified under 8543.30.90.80 as dedicated electrophoresis apparatus not elsewhere specified.
Pulse Plating Power Supply
Advanced pulse electroplating power supply generating square wave DC for uniform thin-film metal deposition in electronics manufacturing. HTS 8543.30.90.80 for specialized electroplating function with programmable pulse width/frequency. Used for PCB gold plating and semiconductor wafer metallization.
Sacrificial Anode Current Regulator
Electronic current regulator maintaining optimal protective current from sacrificial anodes in marine/offshore corrosion protection systems. Under 8543.30.90.80 as electrolysis apparatus for cathodic protection with instant-off measurement capability. Prevents overprotection and anode waste.
Galvanic Anodizing Controller
Process controller for hard anodizing of aluminum aircraft components using sulfuric acid electrolytes. Provides ramped voltage profiles and multi-channel current monitoring for aerospace quality Type III anodizing. Classified 8543.30.90.80 as specialized electroplating apparatus.