| About |
|---|
| Implantable grade polyether ether ketone rod stock for permanent implants VESTAKEEP® i4 R is a rod stock based on implantable grade neat polyether ether ketone resin VESTAKEEP® i4 G. Proven biocompatibility The extra high purity and extended quality measures make VESTAKEEP® i-grade materials an excellent choice for permanent implants. The biocompatibility of VESTAKEEP® i4 R has been tested following ISO 10993-1 recommendations for permanent tissue/bone contact and USP Class VI. VESTAKEEP® i4 R complies to ASTM F2026 “Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications”.&& |
| Product Description | |
|---|---|
| Supplier | Evonik |
| Generic | PEEK |
| Material Status | Commercial: Active |
| Features | High purity,Biocompatible |
| Availabilitys | North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.50 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 4000 | MPa | ISO 527-2 |
| tensile strength | |||
| fracture | > 100 | MPa | ISO 527-2 |
| yield | 109 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | > 20 | % | ISO 527-2 |
| yield | 4.8 | % | ISO 527-2 |
| Bending modulus | 4050 | MPa | ISO 178 |
| bending strength | 165 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 5.5 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 160 | ℃ | ISO 75-2/A |
| Glass transition temperature | ISO 11357 | ||
| — | 145 | ℃ | ISO 11357 |
| — | 155 | ℃ | ISO 11357 |
| Melting temperature | 340 | ℃ | DSC |
| Crystallization temperature | |||
| 1st heating | 285 | ℃ | ISO 11357 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 21 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 50 Hz | 2.80 | IEC 60250 | |
| 10 kHz | 2.80 | IEC 60250 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2nd heating, onset |
| 3. 2nd heating, midpoint |
| 4. 2nd heating |
| 5. K20/K20 |
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