Spheroidal alumina particles have a combination of high macroporosity, {HEAD ~ surface area}, crush strength and low attrition loss and {TAIL ~ bulk density} 
Spheroidal alumina particles have a combination of high macroporosity , { HEAD ~ surface area } , crush strength and low attrition loss and { TAIL ~ bulk density }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL