New Type Anti-Spalling High Alumina Brick
The New Type Anti -Spalling High Alumina Brick is a fired product prepared by high pressure molding of a high grade alumina bauxite clinker and a synthetic material containing Zro2 as a raw material according to a certain ration.The high alumina brick has strong anti-flaking ability,and also has the resistance to potassium,sodium,sulfur ,chlorine and alkaline salts,low thermal conductivity and other properties.It is an ideal material for the transition zone and decomposition zone of cement kiln of cement kiln,door cover ,cooling machine,etc.
The New Type Anti-Spalling High Alumina Brick Specification
Item |
Specification |
RSKBL-75 |
RSKBL-70 |
Al2o3,% > |
75 |
70 |
Apparent Porosity(%) < |
22 |
22 |
Cold Crushing Strength(Mpa) > |
55 |
60 |
0.2Mpa Refractoriness under load > |
1500 |
1500 |
Thermal shock resistance(1100℃,water quenching ,cycle) > |
25 |
25 |
Application
|
Mainly used in cement rotary kiln kiln tail, decomposition furnace and other parts with frequent chemical attack and frequent thermal shock,with good high performance and excellent anti-stripping sex,used for glass furnace of heat-storing room temperature area in. |