| About |
|---|
| The good biocompatibility, processability and the option to pigment make the VESTAKEEP® Care-Grades an ideal material for the fabrication of medical devices with short time contact to human blood, tissue or bone for up to 30 days. Because of their combination of outstanding mechanical properties and their excellent resistance to common cleaning and sterilizing processes, VESTAKEEP® Care polymers are designed to develop your next generation medical devices. Key properties are Excellent biocompatibility Outstanding biostability Good resistance to commonly used sterilization methods like autoclaving and others Resistance to high-energy radiation such as gamma rays or X-rays X-ray transparency, no metal-typical shadows or artefacts in radiographs. Good combination of mechanical strength, wear resistance and impact resistance makes PEEK a good choice for high strength medical devices Good dimensional stability allows for manufacturing of high-precision parts Good electrical properties, especially electrical insulation, is important for medical equipment – for example HF endoscopes&& |
| Product Description | |
|---|---|
| Supplier | Evonik |
| Generic | PEEK |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,X-Ray Transparent,High impact resistance,Good Dimensional Stability,Good Electrical Properties,Good disinfection,Gamma radiation,Biocompatible,Good wear resistance,V-0 |
| Availabilitys | North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 380℃，5 kg | 70.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.1 | % | ISO 294-4 |
| MD | 0.70 | % | ISO 294-4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3700 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 100 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | > 20 | % | ISO 527-2 |
| yield | 5.0 | % | ISO 527-2 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30 ℃, completely fractured | 6.0 | kJ/m² | ISO 179/1eA |
| 23 ℃, completely fractured | 6.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | No Break | ISO 179/1eU | |
| 23℃ | No Break | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| — | 335 | ℃ | ISO 306/A |
| — | 310 | ℃ | ISO 306/B |
| Melting temperature | 340 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 6.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+14 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 16 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 50 Hz | 2.80 | IEC 60250 | |
| 1 MHz | 2.80 | IEC 60250 | |
| Compared to the leakage tracing index | IEC 60112 | ||
| CTI | 175 | V | IEC 60112 |
| Solution A | 200 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 3.20 mm | V-0 | UL 94 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2nd Heating |
| 3. 100 drops value |
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