VICTREX ST G45
VICTREX ST™ POLYMER G45 |
| High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, colour natural/beige. |
| Material Properties | |||
| Physical | Nominal Value | Unit | Test Method |
| Density (Crystalline) | 1.30 | g/cm³ | ISO 1183 |
| Spiral Flow | Internal Method | ||
| -- 1 | 16.0 | cm | |
| -- 2 | 68.0 | cm | |
| -- 3 | 19.0 | cm | |
| Molding Shrinkage | ISO 294-4 | ||
| Across Flow 4 | 1.6 | % | |
| Across Flow 5 | 1.2 | % | |
| Flow 4 | 1.4 | % | |
| Flow 5 | 1.1 | % | |
| Water Absorption Saturation (100°C) | 0.95 | % | ISO 62 |
| Mechanical | Nominal Value | Unit | Test Method |
| Tensile Modulus (23°C) | 4200 | MPa | ISO 527-1 |
| Tensile Stress (Yield, 23°C) | 115 | MPa | ISO 527-2 |
| Tensile Strain (Break, 23°C) | 11 | % | ISO 527-2 |
| Flexural Modulus (23°C) | 4000 | MPa | ISO 178 |
| Flexural Stress | ISO 178 | ||
| 3.5% Strain, 23°C | 130 | MPa | |
| 23°C 6 | 190 | MPa | |
| 125°C | 110 | MPa | |
| 175°C | 35.0 | MPa | |
| 275°C | 20.0 | MPa | |
| Compressive Stress | ISO 604 | ||
| 23°C | 145 | MPa | |
| 120°C | 90.0 | MPa | |
| 200°C | 35.0 | MPa | |
| Impact | Nominal Value | Unit | Test Method |
| Charpy Notched Impact Strength (23°C) | 4.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotched Impact Strength (23°C) | No Break | | ISO 179/1U |
| Notched Izod Impact Strength (23°C) | 4.5 | kJ/m² | ISO 180/A |
| Unnotched Izod Impact Strength (23°C) | No Break | | ISO 180 |
| Hardness | Nominal Value | Unit | Test Method |
| Shore Hardness (Shore D, 23°C) | 84.5 | | ISO 868 |
| Thermal | Nominal Value | Unit | Test Method |
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 172 | °C | ISO 75-2/Af |
| Glass Transition Temperature | ISO 11357-2 | ||
| Onset | 162 | °C | |
| Midpoint | 169 | °C | |
| Melting Temperature | 387 | °C | ISO 11357-3 |
| CLTE - Flow | ISO 11359-2 | ||
| < 162°C | 45 | ppm/K | |
| > 162°C | 105 | ppm/K | |
| CLTE - Average | ISO 11359-2 | ||
| < 162°C | 55 | ppm/K | |
| > 162°C | 130 | ppm/K | |
| Thermal Conductivity | ISO 22007-4 | ||
| 23°C 7 | 0.29 | W/m/K | |
| 23°C 8 | 0.32 | W/m/K | |
| Electrical | Nominal Value | Unit | Test Method |
| Volume Resistivity (23°C) | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric Strength (2.00 mm) | 23.0 | kV/mm | IEC 60243-1 |
| Dielectric Constant (23°C, 1 kHz) | 3.00 | | IEC 60250 |
| Dissipation Factor (23°C, 1 MHz) | 4.0E-3 | | IEC 60250 |
| Comparative Tracking Index | 150 | V | IEC 60112 |
| Fill Analysis | Nominal Value | Unit | Test Method |
| Melt Viscosity (420°C) | 225 | Pa·s | ISO 11443 |
| Typical Processing Information | |||
| Injection | Nominal Value | Unit | |
| Drying Temperature | 150 to 180 | °C | |
| Drying Time | 3.0 to 6.0 | hr | |
| Suggested Max Moisture | 0.020 | % | |
| Hopper Temperature | < 100 | °C | |
| Rear Temperature | 385 | °C | |
| Middle Temperature | 395 to 400 | °C | |
| Front Temperature | 405 | °C | |
| Nozzle Temperature | 410 | °C | |
| Mould Temperature | 200 to 220 | °C | |
| Injection Notes | |||
| Drying Temperature / Time: 180°C / 3h or 150°C / 6h (residual moisture <0.02%)
2) Data are generated in accordance with prevailing national, international and internal standards, and should be used for material comparison. Actual property values are highly dependent on part geometry, mould configuration and processing conditions. Properties may also differ for along flow and across flow directions. | |||
| Notes |
| 1Mould Temperature: 200°C, Melt Temperature: 395°C, 1.00 mm |
| 2Mould Temperature: 200°C, Melt Temperature: 395°C, 3.00 mm |
| 3Mould Temperature: 220°C, Melt Temperature: 415°C, 1.00 mm |
| 4415°C nozzle, 220°C tool |
| 5395°C nozzle, 200°C tool |
| 6At yield |
| 7Average |
| 8Along flow |