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| Inert alumina ceramic ball |
 Inert alumina ceramic ball Our company has developed various types of inert alumina ceramic ball & covering ceramic ball products, which are broadly utilized in industries like petroleum, chemical industry, chemical fertilizer, refining chemicals, environmental protection, gas and etc., for examples, in fixed bed reaction equipments of hydrogenation, hydrogen-making and reforming isomerization. |
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Item
|
Unit
|
Technical data
|
Composition
|
Data
|
Remarks
|
|
Bulk density
|
Kg/m3
|
1250-1800
|
Al2O3
|
30-95%
|
1.Al2O3&SiO2≥92%.
2.Percentage of Al2O3 & SiO2 are up to user's requirement.
3.Bulk density is just for reference, not for testing standard. |
|
|
Water Sorption
|
%
|
=1
|
SiO2
|
24-68%
|
|
Heat conduction index
|
Kcal/mhoC
|
=0.7
|
Fe2O3
|
<0.5
|
|
Spalling resistance
|
oC
|
1300-1500
|
CaO
|
<1.5
|
|
Specific heat
|
Cal/goC
|
0.15-0.2
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Na2O
|
<1.5
|
|
Refractoriness
|
oC
|
20-8004 (three times, without crash)
|
MgO
|
<1
|
|
Acid resistance
|
%
|
=99
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K2O
|
<2.5
|
|
Alkali resistance
|
%
|
=82
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Other
|
|
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Hardness
|
Mohs
|
=6.5-7
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