Ceramic Raschig Ring used in high or low temperature conditions 陶瓷拉西环，用于高温或低温条件下
Ceramic raschig ring is the first development of random packing. Its simple shape, its height and diameter are equal. Raschig rings large size (100mm or more) means the general rules by filling the entire puzzle, 90mm size raschig rings generally use the following method loading number.
Physical Properties
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 Analysis
Al2O3
SiO2
Fe2O3
CaO
MgO
K2O + Na2O
Other
17-23%
>70%
<1.0%
<1.%
<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
1050
5249
12.5 ×12.5
2.4
367
64
377867
881
1903
16×16
2
305
73
192 500
730
900
19×19
243
72
109122
801
837
25×25
3.2
190
74
47675
673
508
38×38
4.8
121
13667
689
312
40×40
4.5
126
75
127000
577
350
50×50
93
81
6000
457
220
6.4
92
5792
657
213
80×80
9.5
46
80
1910
714
280
100×100
10
70
1000
700
172