RP-99 is widely used as catalyst and adsorbent bed support in refining, petrochemical and gas processing applications, where low silica content or high density is required.
Available sizes: 3mm, 6mm, 10mm, 13mm, 19mm, 25mm, 38mm, 50mm, 75mm
Chemical composition:
SiO2 í_0.20%
Al2O3 í¦99.2%
CaO 0.08%
TiO2 0.05%
MgO 0.05%
K2O 0.04%
Na2O 0.09%
leachable Iron less than 0.01%


Physical properties:

Free volume (%) 40
Water absorption (wt. %) ú+3
Hardness, Mohsí» ú+8
Particle density ( gm/cc ) 3.5
Bulk density (kg/m3) 1900-2100
Maximum operating temperture(íµ) 1800



Crush Strength
size Crush strength, lbs(kg)
3mm (1/8í¦) 200 (90)
6mm (1/4í¦) 450(205)
10mm (3/8í¦) 880 (400)
13mm(1/2í¦) 1870 (850)
19mm(3/4í¦) 2860(1300)
25mm(1í¦) 3740(1700)
30mm(1-1/4í¦) 3740(1700)
38mm(1-1/2í¦) 4840(2200)
50mm(2í¦) 5500 (2500).