Cerium abrasive material manufactured by the method for production of raw material and a raw materia

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PROBLEM TO BE SOLVED : To provide a manufacturing method for an abrasives material which is sintered for a manufacture of the abrasives, even if a calcinations temperature is relatively low and it is no fear of an abnormal grain growth. SOLUTION : When the cerium type abrasives material is manufactured, a cerium type rare earth metal carbonate is temporarily calcined at 600-900 deg.C for a time corresponding to the temporary calcinations time.