Ceramic Inert Ball as Catalyst Carrier Media (Al2O3: 17~22%, 23~30%, 90%, 99%)
1: Advantage of Chemshun catalyst carrier
---High purity, alpha alumina structure, low silica
--- Excellent thermal and mechanical shock resistance properties
---Excellent chemical stability with strong resisting of acid.


2: Application of catalyst carrier inert ceramic ball
----Desulfurizers
----Dehydrogenation
----Catalytic reforming
-----catalytic isomerization
-----Ethylene cracking and drying
-----Poymerization
-----Low temperature shift
-----High temperature shift
-----Methanator
------Naphtha reforming
------Methanol and dydrogen production (primarily reforming )

3: Serving Industry of catalyst supporting / covering media
----- Oil Petroleum
----- Chemical inustry
------ Chemical fertilizer
------ Natural gas
4: Chemial properties:
Low Alumina Series ----Chemical Analysis:
High Alumina Series -------Chemial Properties:
5: Physical Properties:
Low alumina ceramics----Physical properties:
High Alumina Series ---physical properties








1: Advantage of Chemshun catalyst carrier
---High purity, alpha alumina structure, low silica
--- Excellent thermal and mechanical shock resistance properties
---Excellent chemical stability with strong resisting of acid.


2: Application of catalyst carrier inert ceramic ball
----Desulfurizers
----Dehydrogenation
----Catalytic reforming
-----catalytic isomerization
-----Ethylene cracking and drying
-----Poymerization
-----Low temperature shift
-----High temperature shift
-----Methanator
------Naphtha reforming
------Methanol and dydrogen production (primarily reforming )

3: Serving Industry of catalyst supporting / covering media
----- Oil Petroleum
----- Chemical inustry
------ Chemical fertilizer
------ Natural gas
4: Chemial properties:
Low Alumina Series ----Chemical Analysis:
Items | 17~23% Series | 23% ~30 Series |
Al2O3 | 17~23% | 23% ~30% |
SiO2 | <80% | 68~72% |
Al2O3+SiO2 | >90% | > 93% |
Fe2O3 | <1.0% | <1.0 % |
Na2O+K2O | <4% | < 4 % |
MGO | <2.5% | < 2.5 % |
CaO | <1.5% | < 1.5 % |
TiO2 | <0.5% | < 0.5 % |
Leachable Fe2O3 | <0.1% | <0.1 % |
High Alumina Series -------Chemial Properties:
Items | Type 90 % | Type 99% |
Al2O3 | > 90% | > 99% |
SiO2 | <7% | <0.2 % |
Fe2O3 | <0.5% | <0.1% |
Na2O+K2O | <1 % | <1.0% |
MGO + CaO | < 1% | <0.2% |
5: Physical Properties:
Low alumina ceramics----Physical properties:
Item | Content | |
17~23 % Series | 23~30 % Series | |
Heat resistance up to | Up to 982 ºC | Up to 1020 ºC |
Water absorption | <0.9 % | < 0.4% |
Ignition loss | <0.3 % | <0.3% |
Alkali resistance | > 6.5 | >7 |
Acid resistance | >85% | >85 % |
Bulk density (g/cm3) | >99.8% | > 99.8% |
1.36~1.40 | 1.38~ 1.40 |
Diameter | Diameter (mm) | Crushing strength (kg/particle) | |
17~23 % | 23~30 % | ||
1/8" | 2-4 | >18.4 | >34 |
1/4" | 5-8 | >56 | >91 |
3/8" | 10-12 | >102 | >102 |
1/2" | 12-14 | >173 | >195 |
3/4" | 18-21 | >430 | >490 |
1" | 24-27 | >635 | >690 |
1-1/4" | 32-34 | >910 | >980 |
1-1/2" | 35-40 | >910 | >980 |
2" | 48-52 | >910 | >980 |
High Alumina Series ---physical properties
Item | Type 90 | Type 99-1 | Type 99-2 | Type-99.5 | ||||
Heat resistant up to | 1500 ºC | 1500 ºC | 1600 ºC | 1600 ºC | ||||
Water absorption | <5 % | 2-6% | <1 % | <1 % | ||||
Particle Density (g/cm3) | >3.1 | >3.3 | 3.3~3.65 | 3.3~3.65 | ||||
Package Density (kg/L) | 1.6-1.7 | 1.9-2.0 | 2.0 | 2.0 | ||||
Moh's hardness (Scale) | 9 | 9 | 9 | 9 | ||||
Impact shorck resistance (from height 6 m)) | Passed | Passed | Passed | Passed | ||||
Average crushing strength | Lbs/pic | KN/pic | Lbs/pic | KN/pic | Lbs/pic | KN/pic | Lbs/pic | KN/pic |
3mm (1/8") | 90 | 0.4 | 112 | 0.5 | 135 | 0.6 | 135 | 0.6 |
6mm (1/4") | 292 | 1.3 | 337 | 1.5 | 360 | 1.6 | 360 | 1.6 |
10mm (3/8") | 1125 | 5 | 1350 | 6 | 1350 | 6 | 1350 | 6 |
13mm(1/2") | 1575 | 7 | 1800 | 8 | 1800 | 8 | 1800 | 8 |
16mm (5/8") | 3375 | 15 | 2025 | 9 | 2925 | 13 | 2925 | 13 |
19mm (3/4") | 3825 | 17 | 4049 | 18 | 4275 | 19 | 4275 | 19 |
25mm (1") | 4949 | 22 | 4500 | 20 | 4949 | 22 | 4949 | 22 |
38mm (1-1/2") | 7874 | 35 | 8324 | 37 | 8999 | 40 | 8999 | 40 |
50mm (2") | 8999 | 40 | 9449 | 42 | 10123 | 45 | 10123 | 45 |
76mm (3") | 11248 | 50 | 12373 | 55 | 13498 | 60 | 13498 | 60 |







