Specifications
Polypropylene pall ring1.Low pressure drop,
2.Big flux,high efficiency
3.Used for seperation and absorption
Column packing plastic pall ring/ Polypropylene pall ring
Pall ring is made from heat resistant and chemical corrosion resistant plastic , for instance.polypropylene (PP). An advance on the Raschig Ring, the Pall Ring has similar cylindrical dimensions but has two rows of punched out holes, with fingers or webs turned into the centre of the cylinder, which significantly increases the performance of the packing, in terms of throughput, efficiency and pressure drop.
It is widely apply in the separation and absorption process, device of reducing pressure. The system of deviating sulfur. Isolation of Ethyl benzene. Toluene, Trimethylpentane, Absorbers, Degassing, Liquid/liquid extraction, water treatment, Heat transfer, etc.
D×H×δ | Specific area m2/m3 | Void rate ε % | Bulk number g/m3 | Package density (kg/m3) | F factor m-1 |
16×16×1 | 188 | 0.91 | 170000 | 85 | 275 |
25×25×1.2 | 175 | 0.90 | 53500 | 69 | 239 |
38×38×1.4 | 115 | 0.89 | 15800 | 63 | 220 |
50×50×1.5 | 93 | 0.90 | 6500 | 52 | 127 |
76×76×2.6 | 73.2 | 0.92 | 1927 | 41 | 94 |
100×100×3 | 52.8 | 0.94 | 1000 | 32 | 82 |

Physical & chemical properties
Performance / Material | PE | PP | RPP | PVC | CPVC | PVDF |
Density (g/cm3) | 0.94-0.96 | 0.89-0.91 | 0.93-0.94 | 1.32-1.44 | 1.50-1.54 | 1.75-1.78 |
Operation Temp.(ºC) | 90 | >100 | >120 | >60 | >90 | >150 |
Chemical corrosion resistance | Good | Good | Good | Good | Good | Good |
Compression Strength(Mpa) | >6.0 | >6.5 | >7.0 | >6.0 | >8.0 | >10.0 |
Package Type | Container Load Capacity | Delivery time | Quality Insurance | Payment Terms | ||
20 GP | 40 GP | 40 HQ | ||||
Ton bag | 20-24 m3 | 40 m3 | 48 m3 | Within 3-10 days | Chinese National Standard; Offer quality assurance as request. | T/T, West Union |
Plastic bag | 25 m3 | 54 m3 | 68 m3 | |||
Paper box | 20 m3 | 40 m3 | 40 m3 | |||

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