Material | C Factor low | C Factor high | Reference |
---|---|---|---|
Asbestos-cement | 140 | 140 | - |
Cast iron new | 130 | 130 | [10] |
Cast iron 10 years | 107 | 113 | [10] |
Cast iron 20 years | 89 | 100 | [10] |
Cast iron 30 years | 75 | 90 | [10] |
Cast iron 40 years | 64 | 83 | [10] |
Cement-Mortar Lined Ductile Iron Pipe | 140 | 140 | - |
Concrete | 100 | 140 | [10] |
Copper | 130 | 140 | [10] |
Steel | 90 | 110 | - |
Galvanized iron | 120 | 120 | [10] |
Polyethylene | 140 | 140 | [10] |
Polyvinyl chloride (PVC) | 150 | 150 | [10] |
Fibre-reinforced plastic (FRP) | 150 | 150 | [10] |