| Item | Unit | Performance | Test Method | |
|---|---|---|---|---|
| PE Multi-Wall Pipe | ||||
| Ring Stiffness | KN/㎡ | Nominal | Ring Stiffness standard | KS M 3500-2 |
| 150-200 | 16 or higher | |||
| 250-600 | 12.5 or higher | |||
| 700-1200 | 8 or higher | |||
| Ring Stiffness test | - | No cracks, breaks, or damage | ||
| Impact test | - | No cracks, breaks, or damage | ||
| Melt mass | g/10min | 1.6 or less (190°C, 5.0 kg) | ||
| Flow index | ||||
| Density | g/㎤ | 0.941 or higher | ||
| Yield tensile strength | N/㎤ | 20.0 or higher | ||
| Batch test | Wt.% | 0.10 or less | ||
| Thermal stability | Minutes | over 20 | ||
| NCLS | hr | over 24 | ||
| Carbon black content | % | 2.0~3.0% | ||
| Nominal | Outer diameter (mm) | Inner diameter (mm) | Pipe wall thickness (mm) | Ring Stiffness | Length |
|---|---|---|---|---|---|
| 150 | 180 | 150 | 15 | 16 | 6m |
| 200 | 232 | 200 | 16 | 16 | |
| 250 | 284 | 250 | 17 | 12.5 | |
| 300 | 340 | 300 | 20 | 12.5 | |
| 400 | 460 | 400 | 30 | 12.5 | |
| 450 | 510 | 450 | 30 | 12.5 | |
| 500 | 570 | 500 | 35 | 12.5 | |
| 600 | 694 | 600 | 47 | 12.5 | |
| 700 | 800 | 700 | 50 | 8 | |
| 800 | 916 | 800 | 58 | 8 | |
| 900 | 1024 | 900 | 62 | 8 | |
| 1000 | 1150 | 1000 | 75 | 8 | |
| 1200 | 1390 | 1200 | 95 | 8 |