23% Inert Ceramic Ball – Catalyst Support Media
Application
23%AL2O3 Inert Alumina Ceramic Ball widely mainly used in chemical industry in high temperature, high pressure, corrosive working environment. The main performance of porcelain ball is to increase the distribution point of gas or liquid, support and protect the active catalyst with low strength.
Chemical Composition
|
Al2O3+SiO2 |
Al2O3 |
SiO2 |
Fe2O3 |
MgO |
K2O+Na2O+CaO |
Other |
|
> 92% |
23% |
68-73% |
<1% |
<2.5% |
<4% |
<0.5% |
Leach able Fe2O3is less than 0.1%
Physical Properties
|
Item |
Value |
|
Water absorption (%) |
<0.5 |
|
Bulk density (g/cm3) |
1.38-1.4 |
|
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 |
Crush Strength
|
Size |
Crush strength |
|
|
Kgf/particle |
KN/particle |
|
|
1/8''(3mm) |
>20 |
>0.20 |
|
1/4''(6mm) |
>50 |
>0.50 |
|
3/8''(10mm) |
>85 |
>0.85 |
|
1/2''(13mm) |
>180 |
>1.80 |
|
3/4''(19mm) |
>430 |
>4.30 |
|
1''(25mm) |
>620 |
>6.20 |
|
1-1/2''(38mm) |
>880 |
>8.80 |
|
2''(50mm) |
>1200 |
>12.0 |
Size and Tolerance (mm)
|
Size |
3/6/9 |
9/13 |
19/25/38 |
50 |
|
Tolerance |
±1.0 |
±1.5 |
±2 |
±2.5 |








