Durostone® EPM 204
GFK-EP
sheet
Characteristics
- Special epoxy (EP) resin matrix reinforced with an e-glass roving mat
- Flame retardant
- Good machinability
Variants
Technical Specifications Durostone® EPM 204
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Flexural strength ┴ | ISO 178 | MPa | 360 |
| Flexural strength ┴ +150°C | ISO 178 | MPa | 200 |
| Modulus of elasticity in flexion ┴ | ISO 178 | MPa | 18000 |
| Modulus of elasticity in flexion ┴ +150°C | ISO 178 | MPa | 12000 |
| Compressive strength ┴ | ISO 604 | MPa | 450 |
| Compressive strength II | ISO 604 | MPa | 300 |
| Tensile strength II | ISO 527 | MPa | 280 |
| Impact strength II (Charpy) | ISO 179 | kJ / m2 | 120 |
| Shear strength ┴ | IEC 60893 | MPa | 150 |
| Shear strength II | IEC 60893 | MPa | 25 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Temperature index | IEC 60216 | T.I. | 180 |
| Coefficient of linear expansion ┴ | NF T 51221 | 10-6 x K-1 | 13 |
| Coefficient of linear expansion II | NF T 51221 | 10-6 x K-1 | 65 |
| Temperature of deflection under load | IEC 893-2 | °C | > 200 |
| Thermal conductivity | ISO 8302 | W/m K | 0,36 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Flammability | NF P92-507 | - | M1 |
| Flammability | UL94 | V0 | |
| Smoke index | NF P 92501 | - | F1 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Density | ISO 1183 | g / cm3 | 1,9 |
| Water absorption (10mm thickness) | ISO 62 | % | 0,20 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Electric strength 90°C under oil ┴ | IEC 60243 | kV / mm | 12 |
| Electric strength 90°C under oil II | IEC 60243 | kV/25mm | 60 |
| Relative permittivity (50 Hz) | IEC 60250 | εr | 5 |
| Dielectric loss factor (50 Hz) | IEC 60250 | tan δ | 0,05 |
| Specific surface resistance | IEC 60093 | Ω | 1012 |
| Specific volume resistance | IEC 60093 | Ω x cm | 1013 |
| Comparative tracking index | IEC 60112 | CTI | 400 |
