Business & products

SEC CARBON's cathode blocks for aluminum smelting are used as cathodes for electrolysis of alumina and exported to aluminum producing countries in the world.
The SK-B was developed by graphitizing the entire cathode block for the first time in the world. They offer higher thermal and electric conductivity and higher resistance against thermal shock and bath than the conventional products made by merely baking with addition of anthracite or graphite. The SK-B contribute to energy saving, higher productivity, and longer life of furnaces.
We have been developing such products as meet worldwide needs and now maintain NO.1 market share in the world.
Clients are looking for more efficient operation due to worldwide electricity shortage. Our product "SK-B" fulfills their demands and hence its further growth is expected.

Cathode blocks vary in characteristics depending on the differences in carbon as a raw material and production method. One of the large quality differences between the SK-B and the conventional amorphous carbon or graphitic blocks is that the SK-B is superior in thermal and electric conductivity and resistance against thermal shock and bath.

	•	Place SK-B at the bottom of an aluminum reduction pot.
	•	Fill the pot with electrolyte and immerse anodes.
	•	Send current of several hundreds thousands Amp to the electrolyte. Carry out electrolysis while continuously feeding alumina and then take out aluminum.

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