Porcelain ball type and uses
|
Type
|
application
|
|
SW activated porcelain ball
|
activated carriers to protect the catalyst
|
|
tapping sphere filler
|
low resistance & high flux carrier
|
|
MH porous porcelain ball
|
the carrier for oily impurity
|
Inertia alumina porcelain ball properties
|
Item
|
Unit
|
Value
|
|
specific gravity
|
g/cm3 |
2.3-2.8 |
|
thermal conductivity
|
Kcal/mh  |
 0.7 |
|
water absorption
|
% |
 1 |
|
heat resistance
|
|
1300-1700 |
|
specific heat
|
cal/g |
0.15-0.2 |
|
chilling test
|
|
800-20 no cracked in 3 times
|
|
acid resistance
|
% |
98 |
|
alkali resistance
|
% |
82 |
|
hardness
|
|
6.5 |
Inertia alumina porcelain ball chemical ingredients
| Chemical ingredients |
Value |
Remarks |
| Al2O3 |
30-85% |
1 . Al2O3 &
SiO2 92%
2 . Al2O3 SiO2 are adjustable
according your requirement. |
| SiO2 |
7-62% |
| Fe2O3 |
<1 |
| CaO |
<1.5 |
| Na2O |
<1.5 |
| MgO |
<1 |
| K2O |
<2.5 |
Inertia alumina porcelain ball specifications & strength
|
Specifications mm
|
 3 |
6 |
9 |
12 |
16 |
19 |
25 |
30-50 |
|
error of dia mm
|
 0.5 |
0.8 |
1 |
1.2 |
1.4 |
1.5 |
1.8 |
2.0 |
|
compressive strength N/p
|
>130 |
>440 |
>1050 |
>1120 |
>1200 |
>1300 |
>2600 |
3000-5000 |
Statement : if Al2O3>65% ,its compressive
strength can be the 2 folds of normal.
|
