Specification :

RP-19 inert ceramic balls are the most widely used in refining, petrochemical, and gas processing applications with unmatched impact resistence, thermal shock and crush strength and survivalbility. Our balls is your smart choice in catalyst and adsorbent bed support media because of the high quality raw materials, controlled processing and the most consistent properties.
Available sizes: 3mm, 6mm, 10mm, 13mm, 19mm, 25mm, 30mm, 38mm, 50mm, 75mm
Chemical composition:
SiO2 69%-74%
Al2O3 19%-23%
SiO2+Al2O3 92%
CaO 0.39%
TiO2 1.18%
MgO 0.51%
K2O 3.06%
Na2O 0.53%
leachable Iron less than 0.1%

Physical properties
Free volume (%) 40
Water absorption (wt. %) 0.5
Hardness, Mohs’ 7
Particle density (gm/cc) 2.3
Bulk density (kg/m3) 1370-1400
Maximum operating temperture, () 1350
Acid resistance(%) 99.6%
Alkali resistance(%) 85%
Thermal shock resistance(-) 427-20

Crush Strength
size Crush strength, lbs(kg)
3mm (1/8�) 80 (36)
6mm (1/4�) 180 (82)
10mm (3/8�) 330 (150)
13mm(1/2�) 600 (273)
19mm(3/4�) 1300(590)
25mm(1�) 2200 (1000)
30mm(1-1/4�) 2200 (1000)
38mm(1-1/2�) 2600(1182)
50mm(2�) 3000 (1362)