MPP power cable pipe is a new type of plastic pipe produced with modified polypropylene (MPP) as the main raw material and special formula and processing technology, which has a series of advantages such as high strength, good heat resistance, easy to put through the cable, easy construction and cost saving.
1. Urban and rural non-excavation horizontal directional electric power pipeline project;
2. Open excavation electric power pipeline project;
3. Municipal telecommunication, electric power and other pipeline project.
| DN/ID | Nominal Wall Thickness en | Out-of-roundness | ||
| Ring Stiffness | ||||
| SN24 | SN32 | SN40 | ||
| 100 | 6 | 8 | 10 | ≤2.0 |
| 125 | 8 | 10 | 12 | ≤2.3 |
| 150 | 10 | 12 | 14 | ≤2.5 |
| 175 | 12 | 14 | 16 | ≤2.8 |
| 200 | 14 | 16 | 18 | ≤3.2 |
| 225 | 16 | 18 | 20 | ≤3.8 |
| 250 | 18 | 20 | 22 | ≤4.2 |
| 280 | 20 | 22 | 24 | ≤4.5 |
| 315 | 22 | 24 | 26 | ≤4.8 |
| 355 | 24 | 26 | 28 | ≤5.2 |
| Test Item | Indicator | Test Method |
| Density（g/cm3） | 0.89～0.93 | DL/T 802.1-2023 |
| Ring Stiffness（KN/m2） | SN24≥24 | DL/T 802.1-2023 |
| SN32≥32 | ||
| SN40≥40 | ||
| Flattening Test | The samples should not be cracked | DL/T 802.1-2023 |
| Tensile Strength（MPa） | ≥25 | DL/T 802.1-2023 |
| Weld Strength（MPa） | ≥22.5 | DL/T 802.1-2023 |
| Elongation at break（%） | ≥150 | DL/T 802.1-2023 |
| Hammer Impact | At least 9 out of 10 samples do not break | DL/T 802.1-2023 |
| Static Friction Coefficient | ≤0.35 | DL/T 802.1-2023 |
| Vicat Softening Temperature（℃） | ≥150 | DL/T 802.1-2023 |
| Longitudinal Retraction Rate（%） | ≤3 | DL/T 802.1-2023 |
| Heat Dispersion Performance | Temperature of the inner and outer pipe walls≤ 30 ℃ (Placed at room temperature for a specified period of time) |
DL/T 802.1-2023 |
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