High-Purity Graphite Anodes for Water Treatment Electrolysis
Ultra-high purity (>99.9%) graphite anodes for electrolytic wastewater treatment systems generating oxidants like chlorine or oxygen for disinfection. HTS 8545.19.20.00 covers these due to their electrolytic function in advanced oxidation processes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integral to complete water purifying machinery
Electrodes permanently installed in functioning water treatment equipment classify with the complete machinery under Chapter 84.
If containing embedded electrical protection circuits
Graphite electrodes with integrated sensors or protection circuits become electrical apparatus of heading 8543.
If primarily for pesticide/herbicide breakdown reactions
Specialized electrodes for destroying specific organic pollutants may classify with pesticide preparations.
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Import Tips & Compliance
• Document purity levels and compliance with drinking water standards (NSF/ANSI 61); specify current efficiency (>90%); include system integration drawings for end-use verification
Related Products under HTS 8545.19.20.00
Graphite Electrolytic Anode for Chlor-Alkali Production
High-density graphite anode designed specifically for electrolytic cells in chlor-alkali processes, where it conducts electricity to facilitate the electrolysis of brine into chlorine and caustic soda. This electrode falls under HTS 8545.19.20.00 as it is of a kind used for electrolytic purposes, featuring corrosion resistance and high electrical conductivity essential for sustained operation in harsh electrolytic environments.
Carbon Cathode Block for Aluminum Electrolysis
Prebaked amorphous carbon cathode block used in Hall-Héroult electrolytic cells for primary aluminum production, providing the cathode surface for molten aluminum collection during electrolysis. Classified under HTS 8545.19.20.00 due to its specific design for electrolytic conduction in high-temperature aluminum smelting processes.
Graphite Bipolar Plates for PEM Fuel Cell Electrolyzers
Machined graphite bipolar plates serving as both anode and cathode in proton exchange membrane (PEM) electrolytic cells for hydrogen production via water electrolysis. This product is captured by HTS 8545.19.20.00 for its role in conducting electricity during the electrolytic splitting of water molecules.
Expandable Graphite Electrodes for Electrowinning
Flexible expandable graphite electrodes used in electrowinning cells for metal recovery from electrolyte solutions, such as copper or zinc extraction. Falls under HTS 8545.19.20.00 as specialized carbon electrodes for electrolytic metal deposition processes.
Impregnated Carbon Anodes for Organic Electrosynthesis
Metal-impregnated carbon anodes (with or without metal powder) for electrolytic reactors producing organic chemicals through electrosynthesis reactions. HTS 8545.19.20.00 applies to these electrodes due to their electrical conduction role in specialized electrolytic organic synthesis.
Graphite Dummy Electrodes for Copper Electrowinning
Non-conductive coated graphite dummy electrodes used as spacers in copper electrowinning tankhouses to maintain cathode spacing during electrolytic metal deposition. Still classified under HTS 8545.19.20.00 when imported specifically for electrowinning cell configurations.