Chemical analysis
SiO2
|
>73%
|
Al2O3
|
17-25%
|
Fe2O3
|
<1.0%
|
CaO
|
<0.5%
|
MgO
|
<0.5%
|
K2O+Na2O
|
2-4%
|
Other
|
<0.1%
|
Physical properties
Nominal size(inch)
|
3/8''
|
1/2''
|
5/8''
|
3/4''
|
1''
|
1.5''
|
2''
|
3''
|
Width(mm)
|
8
|
10
|
12
|
14
|
21
|
30
|
40
|
57
|
Height(mm)
|
8
|
10
|
12
|
14
|
19
|
30
|
40
|
57
|
Length(mm)
|
16
|
20
|
24
|
28
|
38
|
60
|
80
|
114
|
Thickness(mm)
|
2
|
2.5
|
2.5
|
3
|
4
|
4.5
|
5.5
|
9
|
Number per m3
|
1560K
|
610K
|
269K
|
146K
|
59K
|
19680
|
8243
|
2400
|
Remarks
|
K represents 1000 pieces
|
Package density (kg/m3)
|
900
|
780
|
700
|
670
|
650
|
580
|
550
|
530
|
Free volume (%)
|
63
|
68
|
71
|
75
|
77
|
80
|
79
|
75
|
Surface area (m2/m3)
|
825
|
647
|
535
|
350
|
254
|
180
|
120
|
91
|
Specific gravity (g/cm3)
|
2.25~2.35
|
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
|
Dimension
Nominal
Size
|
Alias
DN
|
Diameter of Deck
D
|
Outside Diameter
L
|
Height
H
|
Wall thickness
T
|
Width
W
|
3/8''
|
10
|
10±2.0
|
16±2.0
|
8±2.0
|
1.5±1.0
|
8±2.0
|
1/2''
|
12
|
12±1.0
|
20±1.4
|
10±1.0
|
2.0±1.0
|
10±2.0
|
5/8''
|
16
|
16±2.0
|
24±1.5
|
12±1.0
|
2.0±1.0
|
12±2.0
|
3/4''
|
19
|
19±5.0
|
28±5.0
|
20±3.0
|
3.0±1.0
|
20±3.0
|
1''
|
25
|
25±4.0
|
38±4.0
|
22±3.0
|
3.5±1.0
|
22±2.0
|
1.5''
|
38
|
38±4.0
|
60±4.0
|
35±5.0
|
4.0±1.5
|
35±5.0
|
2''
|
50
|
50±6.0
|
80±6.0
|
48±5.0
|
5.0±1.5
|
40±4.0
|
3''
|
76
|
76±8.0
|
114±8.0
|
60±6.0
|
9.0±1.5
|
60±6.0
|
※Other specifications are available upon request.