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Cathode Block

Cathode blocks are critical materials for production of primary aluminium. The blocks must withstand the combined effects of high temperatures and a tough electro chemical environment. Cathode block sare divided into 3 Types: carbon cathode blocks, semi-graphite cathode blocks and graphite cathode blocks.

Product Details

Cathode blocks are critical materials for production of primary aluminium. The blocks must withstand the combined effects of high temperatures and a tough electro chemical environment. Cathode blocks are divided into 3 Types: carbon cathode blocks, semi-graphite cathode blocks and graphite cathode blocks.

Technical specification:

	Ash content	Bulk density	Compressive strength	Resistivity	Expansion of Electrolysis	Rate of Open Hole
	≤%	≥g/cm³	≥MPa	≤μΩ.m	≤%	≤%
CCB-1	7	1.56	32	40	0.7	20
CCB-2	5	1.57	24	33	0.7	20
CCB-3	4	1.57	24	29	0.7	20
CCB-4	2	1.59	26	21	0.7	20

Name of Type	Size	Allowance
		Width	Thickness	Length	Groove Width/depth	Straight Angel
	mm	mm	mm	mm	mm	mm
Bottom Block	665X480X3680	±2	±4	±12	±3	±0.4
	515X450X3280
	515X450X3250
	400X400X2500	±3	±3	±12	±3	±0.4
	400X400X2100
	400X400X1800
	400X400X1600
Sidewall Block	355X123X520	±3	±3	±5	-	±0.4
	400X123X550
	400X115X560
	400X115X550
	400X130X500
Angel Block	360X204X123X520	±5	±5	±5	-

If required, other values of parameters might be agreed upon.

Cathode Block

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