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Ceramic Pall ring
Chemical composition
Al2O3 |
SiO2 |
Fe2O3 |
CaO |
MgO |
K2O + Na2O |
Other |
17-23% |
>70% |
<1.0% |
<1.% |
<0.5% |
<3.5% |
<1% |
Physical properties
Item |
Value |
Water absorption |
<0.5% |
Apparent porosity (%) |
<1 |
Specific gravity |
2.3-2.35 |
Operation temp.(max) |
1280℃ |
Moh’s hardness |
>7 scale |
Acid resistance |
>99.6% |
Geometric Characteristic data
Sizes (mm) |
Thickness (mm) |
Surface area (m2/m3) |
Free volume (%) |
Number (per/m3) |
Bulk density (kg/m3) |
25 |
3 |
210 |
73 |
53000 |
580 |
38 |
4 |
180 |
75 |
13000 |
570 |
50 |
5 |
130 |
78 |
6300 |
540 |
80 |
8 |
110 |
81 |
1900 |
530 |
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