CaO (% ) Typical Sea water magnesite SiO2 (% ) Max. Dry ra mm ing Al2O3 (% ) Typical 3- 4 months A. P. (% ) Max. 50 kg bags CCS (Kg. / cm2) Min. 1750?C RUL (ta?C) Min. 5 mm MgO (% ) 94 SiO2 (% ) 1. 5 Setting Chemical Sintering temp 1550?C Application area Ra mm ing tap hole of BOF