Hot sale 99% Al2O3 High Alumina Ceramic Ball

Color:

White

Shape:

Ball

Typical Technical Composition

Min. %

Min. %

Max. %

Usual %

SiO₂

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0.2

0.18

Al₂O₃

99

99

99.6

99.3

Fe₂O₃

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0.2

0.02

TiO₂

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0.55

0.02

CaO

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0.1

0.2

MgO

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0.1

0.05

Na₂O

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0.25

0.1

K₂O

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0.2

0.13

Physical properties

Index

Value

Value

Leachable Iron

≤ 0.01%

Apparent Porosity by Weight

≤ 7.0%

Moh's Hardness Scale

>8.0

Water Absorption

<4.0 wt.%

Acid Resistance

>99.8%

Thermal Conductivity

0.7-0.8 w/m².k

Thermal Expansion @ 500

0.10%

Thermal Shock Stability, 1000 then water cooling

10 times

Max. Operating Temperature

1550°C

2822

Specific Density

3400 kg/m³

212 lb/ft³

Bulk Density (Packing Density)

2100 kg/m³

131 lb/ft³

Crush Strength

Size 

Crush Strength

Nominal Size

(lbs)

(kg)

(N/pc)

mm

inch

min.

min.

min.

3

1/8"

115

52

510

6

1/4"

230

105

1030

10

3/8"

440

200

1961

13

1/2"

1355

615

6031

16

5/8"

1720

780

7650

19

3/4"

2315

1050

10297

25

1"

3130

1420

13925

38

1-1/2"

4034

1830

17946

50

2"

4960

2250

22065

Typical Application

a)high temperature and steam
b)has very excellent thermal properties, with its high density high-temperature resistance 1550. 
c)it's suitable for applications in olefin processes, such as ethylene dryers

Package :

Woven Bag; Jumbo Bag; Steel drum

MOQ:

1 Metric Ton

Payment Terms:

T/T

20GP

Sample order

Quantity

25 MT

<5kg

Delivery Time

3 days

Stock available