VICTREX ST? POLYMER G45
High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, colour natural/beige.
Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments.
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 |
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