Durostone® EPM S7
GFK-EP
écrou
Characteristics
- Epoxy (EP) resin matrix reinforced with an e-glass mat
- Good mechanical properties
- Good electrical properties
Variants
Technical Specifications Durostone® EPM S7
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Densité | ISO 1183 | g / cm3 | 1,85 |
| Flexural strength ┴ | ISO 178 | MPa | 360 |
| Modulus of elasticity in flexion ┴ | ISO 178 | MPa | 20000 |
| Compressive strength ┴ | ISO 604 | MPa | 500 |
| Tensile strength II | ISO 527 | MPa | 280 |
| Impact strength II (Charpy) | ISO 179 | kJ / m2 | 100 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Coefficient of linear expansion II | TMA (Mettler) | 10-6 x K-1 | 10 - 20 |
| Temperature index | IEC 60216 | T.I. | 180 |
| Insulation class | IEC 60085 | / | H |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Water absorption (4mm thickness) | ISO 62 | % | 0,2 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Electric strength 90°C under oil ┴ | IEC 60243 | kV / mm | 13 |
| Electric strength 90°C under oil II | IEC 60243 | kV/25mm | 70 |
| Relative permittivity (50 Hz) | IEC 60250 | εr | 5 |
| Specific surface resistance | IEC 60093 | Ω | 1013 |
| Specific volume resistance | IEC 60093 | Ω x cm | 1014 |
| Comparative tracking index | EN 60112 | CTI | 400 |
