Unfire High Alumina Bricks for Cement Kilns(P1)
1、Al2O3(%) min:75
2、Fe2O3(%) max:3.2
3、CaO(%) max:0.6
4、Cold Crushing strength (MPa)min:70
5、Refractriness under load 0.2 Mpa T0.6 ( ℃) min:1350
6、Bulk density (g/cm3):2.7
7、Refractriness ( ℃):1780