| |
|
| Physical properties for Ceramic Raschig ring |
| Item |
Value |
| Water absorption |
<0.5% |
| Apparent porosity (%) |
<1 |
| Specific gravity |
2.3-2.35 |
| Operation temp.(max) |
1000℃ |
| Moh’s hardness |
>6.5 scale |
| Acid resistance |
>99.6% |
| Alkali resistance |
>85% |
|
|
 |
| Chemical composition |
| Al2O3 |
SiO2 |
Fe2O3 |
CaO |
MgO |
K2O + Na2O |
Other |
| 17-23% |
>70% |
<1.0% |
<1.% |
<0.5% |
<3.5% |
<1% |
|
| Dimension and other physical properties |
Sizes
(mm) |
Thickness
(mm) |
Surface area
(m2/m3) |
Free volume
(%) |
Number
per m3 |
Bulk density
(kg/m3) |
Packing factor
( m-1) |
|
| 6 × 6 |
1.6 |
712 |
62 |
3022935 |
961 |
5249 |
| 12.5 ×12.5 |
2.4 |
367 |
64 |
377867 |
881 |
1903 |
| 16×16 |
2 |
305 |
73 |
192 500 |
730 |
900 |
| 19×19 |
2.4 |
243 |
72 |
109122 |
801 |
837 |
| 25×25 |
3.2 |
190 |
74 |
47675 |
673 |
508 |
| 38×38 |
4.8 |
121 |
73 |
13667 |
689 |
312 |
| 40×40 |
4.5 |
126 |
75 |
127000 |
577 |
350 |
| 50×50 |
4.5 |
93 |
81 |
6 000 |
457 |
220 |
| 50×50 |
6.4 |
92 |
74 |
5792 |
657 |
213 |
| 80×80 |
9.5 |
46 |
80 |
1910 |
714 |
280 |
| 100×100 |
10 |
70 |
70 |
1000 |
700 |
172 |
|
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| Pall ring | Tellerette ring | IMTP ring | Ceramic Alumina ball | PTFE expansion joint | Rubber expansion | Liquid distributor |
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