Technical Specifications Durostone® Tubes EPC 22
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Flexural strength ┴ | ISO 178 | MPa | 320 |
| Compressive strength (axial) | ISO 604 | MPa | 175 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Temperature index | IEC 60216 | T.I. | 155°C |
| Insulation class | IEC 60085 | / | F |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Density | ISO 1183 | g / cm3 | 1,7 - 1,8 |
| Water absorption (3 mm thickness) | ISO 62 | mg | 0,8 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Electric strength 90°C under oil ┴ | IEC 60243 | kV / mm | 7,7 |
| Electric strength 90°C under oil II | IEC 60243 | kV/25mm | 40 |
| Relative permittivity (50 Hz) | IEC 60250 | εr | 5,2 |
| Insulation resistance after 24 h water immersion | IEC 60167 | Ω | 109 |
| Dissipation factor (50 Hz) | IEC 60250 | tan δ | 0,04 |
