alumina carbon bricks, China alumina carbon bricks Supplier,Factory

alumina carbon bricks

Henan Zhongke Engineering & Technology Co., Ltd. [China]

Detailed Product Description

Alumina carbon bricks (burned micro porous) is mainly used in bosh, belly and linings of bottom parts of the blast furnace .It has excellent performance of conventional and excellent properties including anti-alkaline, thermal conductivity, corrosion resistance of hot metal, oxidation resistance as well as low ventilation ability.

Index	Item
Index	WLT-1	WLT-2	WLT-3
Al2O3,%≥	65	60	55
C,%≥	11	11	11
Fe,%≤	1.5	1.5	1.5
Compress strength, Mpa≥	70	60	50
Volume,density,g/cm3≥	2.85	2.65	2.55
Apparent porosity,%≤	16	17	18
Melting iron corrosion index,%≤	2	3	4
Heat conductivity, W/m.k (0-800)≥	13	13	13
Alkali resistance,%≤	10	10	15
entilate,um2(mDa)≤	4.94×10-4 (0.5)	1.97×10-3 (2.0)	1.97×10-3 (2.0)
Average aperture, um≤	0.5	1	1
<1um hole cubage,%≥	80	7-	70
Note: 1. The testing scope for aperture:0.006um-360um 2. The melting iron corrosion index only is used in dry stove jar and the bottom.