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Packed Column Packing: Pall Rings
plastic#15 to plastic#90
Packed column/tower packing data — packing factors, void fractions, specific surface areas, and bed densities for random and structured packing. Covers metal, ceramic, and plastic packing from multiple vendors.
| packing name | material size | bed density kg m3 (kg/m3) | material | nominal size in (in) | nominal size mm (mm) | packing factor fp (1/m) | packing factor fpd (1/m) | packing factor ft 1 (1/ft) | packing type | specific surface area ft2 ft3 (ft2/ft3) | specific surface area m2 m3 (m2/m3) | vendor | void fraction (dimensionless) | void fraction pct (pct) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pall Rings | plastic#15 | 95 | plastic | — | 15 | 320 | 348 | — | random | — | 350 | Various | — | 87 |
| Pall Rings | plastic#25 | — | plastic | 0.984 | 25 | — | — | 52 | random | 64.9 | 213 | — | 0.91 | — |
| Pall Rings | plastic#38 | — | plastic | 1.496 | 38 | — | — | 40 | random | 46 | 151 | — | 0.91 | — |
| Pall Rings | plastic#40 | 70 | plastic | — | 40 | 131 | 131 | — | random | — | 131 | — | — | 91 |
| Pall Rings | plastic#50 | — | plastic | 1.969 | 50 | — | — | 25 | random | 30.5 | 100 | — | 0.92 | — |
| Pall Rings | plastic#76 | — | plastic | 2.992 | 76 | — | — | 16 | random | 21.9 | 72 | — | 0.92 | — |
| Pall Rings | plastic#90 | 43 | plastic | — | 90 | 56 | 39 | — | random | — | 85 | — | — | 95 |
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