Ceramic Raschig rings the earliest developed a random packing. Its shape is simple, its height is equal to the diameter dimension. Size Raschig rings (100MM) the whole puzzle commonly used way rules fill, 75MM size below Rasi ring generally huddle way filling.

Spec. |
D*H*T (mm) |
Surface area (m²/m³) |
Free volume (%) |
Number per m³ |
Bulk density (Kg/m³) |
Dry Packing Factor(m-1) |
Ø 6 |
6*6*2 |
789 |
73 |
3110000 |
737 |
2030 |
Ø 10 |
10*10*2 |
440 |
70 |
720000 |
700 |
1280 |
Ø 15 |
15*15*2 |
330 |
70 |
250000 |
690 |
960 |
Ø 16 |
16*16*2 |
305 |
73 |
192500 |
730 |
784 |
Ø 25 |
25*25*2.5 |
190 |
78 |
49000 |
505 |
400 |
Ø 40 |
40*40*5 |
126 |
75 |
12700 |
577 |
305 |
Ø 50 |
50*50*5 |
93 |
81 |
6000 |
457 |
177 |
Ø 80 |
80*80*9.5 |
90 |
68 |
1910 |
714 |
234 |
Ø 100 |
100*100*10 |
70 |
70 |
1000 |
700 |
172 |
Ø 150 |
150*150*15 |
50 |
68 |
295 |
790 |
142 | |