FIRE BRICKS MORTAR with high purity and quality graphite.With superior corrosion resistance against.
Basic slag and high thermal spalling resistance against rapid heating and cooling,the magnesia-carbon bricks are high regarded in the world market as an internal material for stell converters, electric are furnaces,and ladles.
Type | |||||||||
Specification | C15A | C18A | C18B | C18C | C18D | C18A* | C18C* | C18D* | |
Apparent porosity% | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
Bulk density g/cm3 | 2.96 | 2.92 | 2.92 | 2.92 | 2.92 | 2.92 | 2.92 | 2.92 | |
Cold crushing strength Mpa | 40 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | |
Chemical composition% | MgO | 75 | 73 | 72 | 72 | 7 | 72 | 72 | 72 |
C | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |