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You are here: Home » Catalyst Carrier » high alumina ball » Alumina ceramic balls (Al2O3: 17%~30%)
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Alumina ceramic balls (Al2O3: 17%~30%)

popular size :
Quantity:
  • chemshun-20
  • Chemshun
  • 6909120000
  • Alumina ceramic
  • balls
  • > 99.8%
  • >85%
  • 1.36~1.4 g/cm3


:Chemshun 17~30% alumina ceramic balls are widely utilized as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in such varied areas as petroleum, chemical industry, chemical fertilizer, natural  gas and suport or protect the active catalyst , which especially have the comparatively lower mechanical strength

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 %
 
Physical Properties :

Item              Content 

17~23 % Series   23~30 % Series
Heat resistance up to  Up to 982 ℃  Up to 1020 ℃
Water absorption  <0.9 %  < 0.4%
Ignition loss  <0.3 % <0.3%
Density > 6.5 >7
Alkali resistance >85% >85 %
Acid resistance >99.8% > 99.8%
Bulk density (g/cm3) 1.36~1.40 1.38~ 1.40


Geometric properties :

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

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