Technical Data
|
Size
|
Specific Surface
(m2/m3)
|
Void Volume
%
|
Number per m3
|
Bulk Density
(Kg/m3)
|
|
(mm)
|
(inch)
|
|
19
|
3/4
|
225
|
58
|
83950
|
725
|
|
25
|
1
|
206
|
61
|
43250
|
640
|
|
38
|
1-1/2
|
110
|
72
|
12775
|
617
|
|
50
|
2
|
95
|
72
|
7900
|
650
|
Chemical composition
|
SiO2
|
Al2O3
|
Fe2O3
|
CaO
|
K2O+Na2O
|
|
>70%
|
23-30%
|
<1%
|
<1-2%
|
<2-4%
|
Physical properties
|
Index
|
Value
|
|
Specific gravity(g/cm3)
|
2.25-2.35
|
|
Water absorption(%)
|
<0.5
|
|
Acid-resisting strength, %Wt. Loss (ASTMc279)
|
<4
|
|
Firing temperature()
|
1280-1320
|
|
Softening point()
|
>1400
|
|
Density(kg/m3)
|
2350
|
鈥籓ther specifications are available upon request.
