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Special Design for Porcelain Grinding Ball - Inert Middle Alumina Balls – Catalyst Support Media – Kelley


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Special Design for Porcelain Grinding Ball - Inert Middle Alumina Balls – Catalyst Support Media – Kelley Detail:

Application

They are widely used in many fields, including petroleum, chemical engineering, fertilizer production, natural gas and environmental protection. They are used as covering and supporting materials of catalysts in reaction vessels and as packing in towers.

Chemical Composition

Al2O3+SiO2 Al2O3 Fe2O3 MgO K2O+Na2O +CaO Others
> 93% 45-50% <1% <0.5% <4% <1%

Physical Properties

Item

Value

Water absorption (%)

<2

Bulk density (g/cm3)

1.4-1.5

Specific gravity (g/cm3)

2.4-2.6

Free volume (%)

40

Operation temp.(max) (℃)

1200

Moh’s hardness (scale)

>7

Acid resistance (%)

>99.6

Alkali resistance (%)

>85

Crush Strength

Size

Crush strength

 Kgf/particle

 KN/particle

1/8”(3mm)

>25

>0.25

1/4”(6mm)

>60

>0.60

3/8”(10mm)

>80

>0.80

1/2”(13mm)

>230

>2.30

3/4”(19mm)

>500

>5.0

1”(25mm)

>700

>7.0

1-1/2”(38mm)

>1000

>10.0

2”(50mm)

>1300

>13.0

Size and Tolerance (mm)

Size

3/6/9

9/13

19/25/38

50

Tolerance

±1.0

±1.5

±2

±2.5


Product detail pictures:

Special Design for  Porcelain Grinding Ball  - Inert Middle Alumina Balls – Catalyst Support Media – Kelley detail pictures

Special Design for  Porcelain Grinding Ball  - Inert Middle Alumina Balls – Catalyst Support Media – Kelley detail pictures

Special Design for  Porcelain Grinding Ball  - Inert Middle Alumina Balls – Catalyst Support Media – Kelley detail pictures


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