| Type | Unit | PE0 4 |
| Size | mm | 16x10 |
| Hole numbers | pcs | 6 |
| Bulk density | kg/m 3 | 120 |
| Material Density | g/cm 3 | 0.96-0.98 |
| Number per m 3 | pcs/m 3 | >260,000 |
| Surface area | m 2 /m 3 | > 8 00 |
| Void ratio | % | >85 |
| Dosing ratio | % | 15- 67 |
| Membrance-forming time | days | 3-15 |
| Nitrification efficiency | gNH 4 -N/m3.d | 400-1200 |
| BOD5 oxidation efficiency | gBOD5/m3.d | 2000-10000 |
| COD oxidation efficiency | gCOD5/m3.d | 2000-15000 |
| Applicable temperature | ºC | 5-60 |
| Life-span | year | >15 |