SiO2

Al2O3

Fe2O3

CaO

MgO

K2O+Na2O

Other

>73%

17-23%

<1.0%

<0.5%

<0.5%

2-4%

<0.1%

Index

Value

Specific gravity(g/cm3)

2.3

Water absorption(%)

<0.3

Acid resistance(%)

>99.6

Max operating temp.(℃)

1100

Porosity(%)

<1

Moh’s hardness(scale)

>6.5

Thermal conductivity(w/m.k)

0.9-1.0

Specific heat(j/kg℃)

850-900

Spec.
(inch)

Sepc.
(mm)

W
(mm)

H
(mm)

L
(mm)

T
(mm)

Number per m³

Bulk density (Kg/m³)

Free volume (%)

Surface area (m²/m³)

1/4”

6

4.5

4.5

9

1.5

4,050,000

1050

54

1100

3/8”

10

8

8

16

2

1,560,000

900

63

825

1/2”

12

10

10

20

2.5

610,000

780

68

647

5/8”

16

12

12

24

2.5

269,000

700

71

535

3/4”

19

14

14

28

3

146,000

670

75

350

1”

25

21

19

38

4

59,000

670

75

250

1.5”

38

30

30

60

4.5

19,680

580

80

180

2”

50

40

40

80

5.5

8,243

550

79

120

3”

76

57

57

114

9

2,400

530

75

91

Normal size

Diameter of Deck (mm)

Outside diameter
(mm)

Height
(mm)

Wall thickness (mm)

Width
(mm)

1/4”

6mm

6±2.0

9±2.0

4.5±2.0

1±0.5

4.5±2.0

3/8”

10mm

10±2.0

16±2.0

8±2.0

1.5±0.5

8±2.0

1/2”

12mm

12±1.0

20±1.4

10±1.0

2.0±0.45

10±2.0

5/8”

16mm

16±1.0

24±1.5

12±1.0

2.0±0.5

12±2.0

3/4”

19mm

19±1.5

28±2.0

14±1.0

2.5±0.5

14±2.0

1”

25mm

25±1.5

38±2.0

19±1.0

3.0±0.5

20±2.0

1.5”

38mm

38±2.0

60±3.0

30±1.5

4.0±1.0

30±2.5

2”

50mm

50±2.5

80±4.0

40±2.0

5.0±1.0

40±3.0

3”

76mm

76±4.0

114±4.0

57±.0

9.0±1.0

57±4.0