High Alumina Brick For Cement Kiln

High Alumina Brick For Cement Kiln Good high temperature porformance Raw material: bauxite clinker

High Alumina Brick For Cement Kiln

We are specilized manufacturer and exporter of refractory.

We have exported to Canada,U.S.A,India,Turkey,Korea etc,they are satisfied with our products.

Common shaped and irregular shaped refractory brick can be supplied ,also we can adjust our  apecifications as your application.

For the high alumina bricks:

85 Al2O3 high alumina brick

Al2O3≥83%Fe2O3 ≤2.0%

SiO2≤10.5%

Linear change after reheating  0~-0.5%

Bulk density ≥2.72g/cm3

Apparent porosity≤23%

Cold crushing srength≥70MPa

Strictly according to your applications

Detail specifications for high alumina bricks:

Index		LZ-48	LZ-55	LZ-65	LZ-75	LZ-80	LZ-85
Al2O3  %		≥48	≥55	≥65	≥75	≥80	≥85
Fe2O3  %		≤2.5	≤2.5	≤2.0	≤2.0	≤2.0	≤1.8
Refractoriness °C		1760	1760	1770	1770	1790	1790
Apparent porosity  %		≤23	≤23	≤23	≤23	≤22	≤22
Refractoriness under load 0.2MPa°C		1420	1470	1500	1520	1530	1550
Cold crushing strength  MPa		45	45	50	60	65	70
Permanent linear chang %	1500°C×2h		+0.1~0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4
	1450°C×2h	+0.1~-0.4