VICTREX HT? POLYMER G22
High performance thermoplastic material, unreinforced PolyEtherKetone (PEK), semi crystalline, depth filtered granules for injection moulding, easy flow, colour natural/beige.
Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments, suitable for sterilsation for medical and food contact applications.
Material Properties |
Physical | Nominal Value | Unit | Test Method |
Density (Crystalline) | 1.30 | g/cm3 | ISO 1183 |
Spiral Flow 1 | 20.0 | cm | Internal Method |
Molding Shrinkage 2 |
|
| ISO 294-4 |
Across Flow | 1.2 | % |
|
Flow | 1.0 | % |
|
Water Absorption (Saturation, 23°C) | 0.60 | % | ISO 62 |
Water Absorption Saturation (100°C) | 0.75 | % | ISO 62 |
Mechanical | Nominal Value | Unit | Test Method |
Tensile Modulus (23°C) | 4300 | MPa | ISO 527-1 |
Tensile Stress (Yield, 23°C) | 115 | MPa | ISO 527-2 |
Tensile Strain (Break, 23°C) | 15 | % | ISO 527-2 |
Flexural Modulus (23°C) | 4000 | MPa | ISO 178 |
Flexural Stress |
|
| ISO 178 |
3.5% Strain, 23°C | 130 | MPa |
|
23°C 3 | 180 | MPa |
|
125°C | 105 | MPa |
|
175°C | 32.0 | MPa |
|
275°C | 16.0 | MPa |
|
Compressive Stress |
|
| ISO 604 |
23°C | 140 | MPa |
|
120°C | 90.0 | MPa |
|
200°C | 30.0 | MPa |
|
Impact | Nominal Value | Unit | Test Method |
Charpy Notched Impact Strength (23°C) | 3.8 | kJ/m2 | ISO 179/1eA |
Charpy Unnotched Impact Strength (23°C) | No Break |
| ISO 179 |
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) | 85.5 |
| ISO 868 |
Thermal | Nominal Value | Unit | Test Method |
Deflection Temperature Under Load (1.8 MPa, Unannealed) | 163 | °C | ISO 75-2/Af |
Glass Transition Temperature |
|
| ISO 11357-2 |
Onset | 152 | °C |
|
Midpoint | 160 | °C |
|
Melting Temperature | 373 | °C | ISO 11357-3 |
CLTE - Flow |
|
| ISO 11359-2 |
< 152°C | 45 | ppm/K |
|
> 152°C | 75 | ppm/K |
|
CLTE - Average |
|
| ISO 11359-2 |
< 152°C | 55 | ppm/K |
|
> 152°C | 130 | ppm/K |
|
Thermal Conductivity |
|
| ISO 22007-4 |
23°C 4 | 0.29 | W/m/K |
|
23°C 5 | 0.32 | W/m/K |
|
Electrical | Nominal Value | Unit | Test Method |
Volume Resistivity |
|
| IEC 60093 |
23°C | 1.0E+16 | ohms·cm |
|
125°C | 1.0E+15 | ohms·cm |
|
275°C | 1.0E+9 | ohms·cm |
|
Dielectric Strength (2.00 mm) | 23.0 | kV/mm | IEC 60243-1 |
Comparative Tracking Index | 150 | V | IEC 60112 |
Flammability | Nominal Value | Unit | Test Method |
Glow Wire Flammability Index (2.0 mm) | 960 | °C | IEC 60695-2-12 |
Fill Analysis | Nominal Value | Unit | Test Method |
Melt Viscosity (400°C) | 200 | Pa·s | ISO 11443 |
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