Special ramming mix manufactured from sintered magnesia. Used for new hearts bottoms, banks side wall and for cold repairs of high temperature strained parts of electric arc furnaces, dry application-vibrating, ramming. possibility of oil addition.
MgO |
74.0 % min. |
CaO |
19.0 % max. |
SiO2 |
1.5 % max. , 1.0 typ |
Fe2O3 |
3.5 – 5.5 % |
Al2O3 |
0.5 % max. |
Grain size |
0 – 6* mm |
Bulk weight |
2.4 – 2.6 kg/dm3 |
Limit of application |
1750 °C |
Bond |
Ceramic |