
refractory castables
 equiped with steel making furnaces to improve the furnace life, iprove the quality of steel products.
specification
elements: al2o3 >80% cao<2.5% refractoriness > 1780 oc reheating linear change (1500oc / 3h) 0-0.9% density(1500oc ):>2.6g/cm3 working temp.:1550oc |