| Model | Pall Ring | ||||||
| Material | Carbon Steel; SS 304, 304L, 410, 316, 316L, etc. | ||||||
| Preferred Sizes | (mm) | 16*16*0.3 | 25*25*0.3 | 38*38*0.4 | 50*50*0.5 | 76*76*0.6 | 89*89*0.7 |
| Bulk density | (kg/m3) | 345 | 214 | 193 | 182 | 142 | 145 |
| Number | (per m3) | 201000 | 51000 | 15200 | 6500 | 1830 | 1160 |
| Surface area | (m2/m3) | 346 | 212 | 145 | 106 | 69 | 62 |
| Free volume | (%) | 95.5 | 96.2 | 96.7 | 97.5 | 97.4 | 97.1 |
| Typical Application | Absorption, scrubbing and stripping services | ||||||