Inert Ceramic Ball
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Description
Inert Ceramic Ball
Inert alumina ceramic ball can stand up high atmospheric pressure and temperature. Low water absorption, corrosion resisting and steady chemical property, it is widely used in petrochemical, fertilizer, coalgas, environmental protecting etc, supporting and covering the catalyst.
Chemical and Physical Properties
& Typical chemical composition
SiO2 | 68-72 | MgO | 0.6-1.2 |
Al2O3 | 17-23 | CaO | 0.6-0.9 |
Fe2O3 | 0.4-0.8 | K2O | 2.3-3.0 |
TiO2 | 0.5-0.8 | Na2O | 0.5-0.8 |
Soluble Fe: <0.01% |
& Typical physical properties
Density | g/cm³ | 2.3-2.4 |
Water Absorption | % | 0.1-0.5 |
Compressive Strength | N /mm² | 400 |
E-M | GPa | 60 |
Mohs Hardness | Scale | 7-8 |
Specific heat, 20℃-100℃ | J/kgK | 840 |
Thermal Conductivity 30℃-100℃ | W/mK | 1-1.5 |
Coefficient of thermal expension | (20℃-600℃)10-6K-1 | 4.7 |
Heat Resistance | Up to ℃ | 1000 |
& Sizes, size tolerances,packing density, specific surface, void fraction and compressive strength for ceramic balls.
Size
(Inch)-(mm) tolerance |
Packing density
(kg/m³) |
Spec.surface (m²/m³) | Void space
(%) |
Compressive strength per ball (kg) |
1/8"-3mm 2.5-3.5mm | 1310 | 720 | 44 | 30 |
1/4"-6mm 5.5-6.5mm | 1310 | 520 | 44 | 50 |
3/8"-9mm
8-10mm |
1310 | 360 | 44 | 120 |
1/2"-13mm 12-14mm | 1290 | 275 | 45 | 180 |
3/4"-19mm 18-20mm | 1290 | 190 | 45 | 300 |
1"-25mm
24-26mm |
1250 | 144 | 45 | 400 |
1¼"-32mm 31-33mm | 1250 | 120 | 45 | 520 |
1½"-38mm 37-39mm | 1250 | 100 | 45 | 600 |
2"-50mm
48-53mm |
1250 | 75 | 45 | 720 |
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Inert Ceramic Ball
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