1.Phosphate acid proof and HF acid proof 2.Good lining media for phosphate acid tank and HF mainly used for aluminum elect

Item	True Density(g/cm3)	B.D	specific resistance (μΩ.m)	Ash	CCS	M.O.R	Thermal expansion coefficient	Na expansion coefficient
GS-3	1.94min	1.56min	33max	5max	24min	7min	4max	0.8max
GS-5	1.98min	1.57min	29max	4max	24min	7min	4max	0.7max
GS-10	2.08min	1.59min	21max	2max	26min	6.5min	4max	0.5max

aluminum electrolyze Graphite carbon brick