caustic calcined magnesite ball
the caustic calcined magnesite is made from calcined magnesite powder through mixing, pressing spheroid. it is used for converter stell makin, through the splashing cross to protect the furnace , which can raise the furnace life.
physical and chemical indices 
MGO>=65-70%   
Moisture content <2
Apparent porosity：20%
Crushing force<3.0kn
Bulk density ：1.6-2.0g/cm3
Size :0-40mm , 0-60mm
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