Inert alumina ceramic ball is one of the new media in chemical industries with unmatched impact resistance, thermal shock, crush strength, and survivability. Products to these specifications are manufactured from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strength and resistance to thermal shock, This makes them all ideal choice for support of all types of catalysts and RTO hot exchange applications.
Chemical composition
|
Al2O3+SiO2
|
Al2O3
|
SiO2
|
Fe2O3
|
MgO
|
K2O+Na2O+CaO
|
Other
|
|
> 92%
|
17-25%
|
68-74%
|
<1%
|
<2.5%
|
<4%
|
<0.5%
|
Leach able Fe2O3 is less than 0.1%
Chemical composition
|
Item
|
Value
|
|
Water absorption (%)
|
<0.5
|
|
Bulk density (g/cm3)
|
1.35-1.40
|
|
Specific gravity (g/cm3)
|
2.3-2.4
|
|
Free volume (%)
|
40
|
|
Operation temp.(max) (℃)
|
1100
|
|
Moh’s hardness (scale)
|
>6.5
|
|
Acid resistance (%)
|
>99.6
|
|
Alkali resistance (%)
|
>85
|
Size available & Crush strength
|
Size
|
Crush strength
|
|
Kg/particle
|
KN/particle
|
|
1/8''(3mm)
|
>36
|
>0.36
|
|
1/4''(6mm)
|
>62
|
>0.62
|
|
3/8''(10mm)
|
>86
|
>0.86
|
|
1/2''(13mm)
|
>186
|
>1.86
|
|
3/4''(19mm)
|
>488
|
>4.88
|
|
1''(25mm)
|
>900
|
>9.0
|
|
1-1/2''(38mm)
|
>1300
|
>13
|
|
2''(50mm)
|
>5700
|
>57
|
※Other specifications are available upon request.
