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Inert Ceramic Ball

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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