| About |
|---|
| Implantable grade polyether ether ketone resin for permanent implants VESTAKEEP® i4 G is a natural colored, high viscosity polyether ether ketone (PEEK) that is especially designed for long term implantable medical devices. This grade is often used for extrusion processing technologies. Proven Biocompatibility The extra high purity and extended quality measures make VESTAKEEP® i-Grade materials an excellent choice for permanent implants. For VESTAKEEP® i4 G, biocompatibility has been tested following ISO 10993-1 recommendations for permanent tissue/bone contact and USP Class VI. VESTAKEEP® i4 G complies 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,High Viscosity,Biocompatible |
| Availabilitys | North America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 380℃，5 kg | 12.0 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.40 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3500 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 96.0 | MPa | |
| fracture | > 70.0 | MPa | |
| Tensile strain | |||
| yield | 5.0 | % | |
| fracture | > 20 | % |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| -30 ℃, completely fractured | 6.0 | kJ/m² | |
| 23 ℃, completely fractured | 8.0 | kJ/m² | |
| Charpy Unnotch Impact strength | |||
| -30℃ | 无断裂 | ||
| 23℃ | 无断裂 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 205 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 150 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 335 | ℃ | ISO 306/A |
| — | 305 | ℃ | ISO 306/B |
| Melting temperature | 340 | ℃ | ISO 11357-3 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2nd heating |
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