IMPROVED DIRECT PROCESS FOR MANUFACTURING CALCIUM ALUMINATE HYDRAULIC REFRACTORY BINDER HAVING INTERMEDIATE PURITY OF 35-65 ALUMINA AT LOW SINTERING TEMPERATURE OF LESS THAN 1300 0C.

摘要

IMPROVED DIRECT PROCESS FOR MANUFACTURING CALCIUM ALUMINATES HYDRULIN REFRACTORY BINSER HAVING INTERMEDIATES PURITY (35-65% A12O3) AND HAVING A12O3/CAO RATIC LESS THAN 1:7 AND SINTERED AT LOW TEMPRATURE OF LESS THAN 1300C., COMPRISING THE STEPS OF