Calcium Aluminate CaO 49-54% Al2O3:40-45% Sio2:2.8% max Size:5-25mm 90% m Calcium AluminateCaO49-54%Al2O340-45%Sio22.8% maxTio22.7% maxMgO2.0% maxFe2O31.5% maxMelting Point1380 deg CParticle size5-25 mm   90% minPre-fused clinker for refined steel-making is newly developed...