| Model: | Perforated ball |
|---|---|
| Brand: | Cherry |
| Origin: | Made In China |
| Category: | Chemicals / Chemical Auxiliary & Catalyst / Catalyst & Active Agent |
| Label: | Perforated alumina b , Ceramic ball , Tower packing |
| Price: |
US $558
/ Metric ton
|
| Min. Order: | 1 Metric ton |
| Last Online:03 Jan, 2018 |
Perforated alumina ball
Fields of application
The processes in which CHERRY perforated alumina ball is used, according to national specifications, comprises the whole spectrum of thermal and/or catalytic chemical transformation: CHERRY perforated alumina ball can of course be used for other applications e.g. in high-temperature filtration for the separation of solid or liquid particles from hot exhaust gases
| Alkylation |
Catalytic reforming |
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Dehydrogenation |
Hydrofining |
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Desulfurization |
Isomerisation |
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Catalytic cracking |
Powerforming |
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Catalytic conversion |
Thermal cracking |
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Catalytic oxidation |
and other processes |
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Sizes and raw materials |
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1/8" |
1/4" |
3/8" |
1/2" |
5/8" |
3/4" |
1" |
1 1/4" |
1 1/2" |
2" |
3" |
4" |
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D20 alumina |
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D70 alumina |
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D92 alumina |
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D95 alumina |
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D99 alumina |
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available size 
on request
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Physical & chemical properties, average values for perforated alumina ball |
|
Parameters |
Units |
CHERRY D20
|
CHERRY D70
|
CHERRY D92
|
CHERRY D95
|
CHERRY D99
|
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|
SiO2 |
% |
max. 80 |
max. 30 |
max. 7 |
max. 3 |
max. 0.2 |
|
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Al2O3 |
% |
min. 20 |
min. 70 |
min. 90 |
min. 95 |
~ 99 |
|
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TiO2 + Fe2O3 |
% |
max. 4 |
max. 4 |
max. 2 |
max. 2 |
max. 1 |
|
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K2O + Na2O |
% |
max. 4 |
max. 4 |
max. 0,5 |
max. 0,5 |
max. 0,4 |
|
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CaO + MgO |
% |
max. 1 |
max. 1 |
max. 0.5 |
max. 0.5 |
max. 0.2 |
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Roundness |
dmax / dmin |
< 1.25 |
< 1.25 |
< 1.25 |
< 1.25 |
< 1.25 |
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Void space |
% |
50 - 55 |
50 - 55 |
50 - 55 |
50 - 55 |
50 -55 |
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Compression strength |
kg |
Exceeds all national specifications |
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Material density |
g/cm3 |
2.2 - 2.4 |
2.2 - 2.4 |
3.2 - 3.4 |
3.0 - 3.5 |
3.0 - 3.6 |
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Water absorption |
% |
< 3 |
< 0.25 |
2 - 6 |
2 - 7 |
2 - 7 |
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BET surface |
m2/g |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
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Mohs hardness |
Mohs |
~ 8 |
~ 8 |
~ 8 |
~ 9 |
~ 9 |
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Max. application
|
°C |
1000 |
1000 |
1600 |
1800 |
1800 |
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Expansion
|
1/K |
4.7 x 10-6 |
4.7 x 10-6 |
5 x 10-6 |
6.5x 10-6 |
6.7 x 10-6 |
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Specific thermal energy |
kJ / (kg x K) |
~ 0.84 |
~ 0.84 |
~ 1.1 |
~ 1.1 |
~ 1.1 |
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Thermal
|
kJ / (m x h x K) |
~ 6.3 |
~ 6.3 |
~ 8 |
~ 13 |
~ 14.6 |
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Special ceramics: on request. other quality classifications on request
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Physical properties, average value for perforated alumina balls |
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Nominal size
|
Diameter
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Spec. surface
|
CHERRY D20
|
CHERRY D70
|
CHERRY D92
|
CHERRY D95
|
CHERRY D99
|
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1/8 |
3 - 5 |
1285 |
1300... 1400 |
1300... 1400 |
2000... 2100 |
2000... 2100 |
2000... 2200 |
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1/4 |
6 - 8 |
500 |
1300... 1400 |
1300... 1400 |
2000... 2100 |
2000... 2100 |
2000... 2200 |
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3/8 |
9 - 11 |
350 |
1300... 1400 |
1300... 1400 |
2000... 2100 |
2000... 2100 |
2000... 2200 |
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1/2 |
11 - 14 |
280 |
1300... 1400 |
1300... 1400 |
2000... 2100 |
2000... 2100 |
2000... 2200 |
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5/8 |
14 - 17 |
220 |
1300... 1400 |
1300... 1400 |
2000... 2100 |
2000... 2100 |
2000... 2200 |
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3/4 |
19 - 21 |
170 |
1300... 1400 |
1300... 1400 |
2000... 2100 |
2000... 2100 |
2000... 2200 |
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1 |
23 - 28 |
125 |
1300...1400 |
1300...1400 |
-- |
|
2000... 2200 |
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1.25 |
29 - 35 |
105 |
1300...1400 |
1300...1400 |
-- |
|
2000... 2200 |
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1.5 |
35 - 43 |
85 |
1300...1400 |
*) |
-- |
|
2000... 2200 |
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2 |
48 - 55 |
65 |
1300...1400 |
*) |
-- |
|
2000... 2200 |
|
3 |
72 - 80 |
45 |
1300...1400 |
*) |
-- |
|
1900... 2000 |
|
4 |
98 - 110 |
32 |
1200...1300 |
*) |
*) |
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*) |
The usual, permitted tolerances for ceramic products apply. Special geometries (full cylinders, prisms, etc.) on request.
|
Package information |
|
|
Package |
Weight |
|
Bag |
25 kg / 55.11 lb |
|
Pallet |
2000kg / 4400 lb |
|
Wood case |
2000kg / 4400 lb |
