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ceramic ball
ceramic ball

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High temperature resistance
Lower water absorption
Stable chemical property
Resist corrosion of acid, alkali

Ceramic ball are widely used as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in many fields such as petroleum, chemical industry, chemical fertilizer, natural gas and environmental protection etc.

Chemical composition

Index

Value

SiO2

75.00

Al2O3

26.00

Fe2O3

0.12

TiO2

1.40

CaO

0.65

MgO

0.60

Na2O

2.00

K2O

3.50

Al2O3 + SiO2

96.00

Physical properties

Index

Value

Leachable Iron

≤ 0.1%

Apparent Porosity by Weight, dia. ≥ 10mm

≤ 0.4%

Apparent Porosity by Weight, dia. = 6mm

≤ 1.0%

Apparent Porosity by Weight, dia. = 3mm

≤ 1.0%

Moh's Hardness Scale

>6.5

Water Absorption

<1.0wt.%

Acid Resistance

>99.8%

Thermal Conductivity

0.9-1.0 w/m 2 .k

Thermal Expansion @ 500

0.20%

Specific Heat

628-837 j/kgq

Thermal Shock Stability, 500 then water cooling

10 times

Max. Operating Temperature

1050

Specific Density

2,350 kg /m3

Bulk Density (Packing Density)

1,400 g /cm3

 

Crush Strength


Size /

Crush Strength

Nominal Size

(lbs)

(kg)

(N/pc)

mm

Inch

min.

min.

min.

3

1/8

50

23

225

6

1/4

123

56

550

10

3/8

202

92

902

13

1/2

385

175

1716

16

5/8

520

236

2315

19

3/4

978

444

4355

25

1

1428

648

6355

38

1-1/2

2020

916

8983

50

2

2987

1355

13288

 

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