Use in cement and steel industries. General purpose, low ion content having greater refractoriness comparaied those in the some range. Minimum metal penetration and resist CO attacks. Typical applications are FOUNDRIES ladles, HEAT TREATING ANNEALING furnace bases, INCINERATORS combustion chambers and guarls, PETROCHEMICAL and REFINING coal gasification reactors, STEEL iron runners, tundish covers, soaking pit flues and recuperators.
Material | Percentage | Typical |
---|---|---|
Al2O3 | 40-45 % | 43 % |
SiO2 | 35-40 % | 37 % |
CaO | 3-5 % | 4 % |