Item	Value
Appearance	white bar / sphere
Size mm	3-5
Bulk density kg/L	0.6-0.7
Strength N/piece	80-120
Al2O3 Assay %	≥94.0
auxiliary Assay %	1.5-2.0
Specific surface area m2/g	240-320
Hole volume ml/g	0.35-0.40
Loss on ignition %	≤3.0

Packing
     50L in polypropylene woven bag lined with membrane bag; far away from moisture, moist and sunlight.