| About |
|---|
| Natural colored polyether ether ketone for dental applications VESTAKEEP® D4 R is natural colored polyether ether ketone (PEEK) rod stock that is especially designed for removable and fixed dentures crowns and bridges. For VESTAKEEP® D4 R, biocompatibility has been tested following ISO 10993-1 recommendations for permanent mucous membrane contact. The compound composition is optimised for high biocompatibility and superior mechanical, thermal and chemical resistance.&& |
| Product Description | |
|---|---|
| Supplier | Evonik |
| Generic | PEEK |
| Material Status | Commercial: Active |
| Features | Biocompatible,Solvent resistance |
| Availabilitys | North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.40 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 4000 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 110 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 4.8 | % | |
| fracture | > 10 | % | |
| Bending modulus | 4050 | MPa | ISO 178 |
| bending strength | 165 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 5.5 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting temperature | 340 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 4.5E-5 | 1/℃ | ISO 11359-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flammability level | |||
| 1.6 mm | V-0 | IEC 60695-11-10, -20 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2nd heating |
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