| About |
|---|
| X-ray opaque, white pigmented polyether ether ketone for dental applications VESTAKEEP® DC4430 G is a white pigmented, high viscosity polyether ether ketone (PEEK) resin that is especially designed for removable and fixed dentures, crowns and bridges. VESTAKEEP® DC4430 G contains 6% Barium sulphate to render it x-ray opaque. For VESTAKEEP® DC4430 G, biocompatibility has been tested according to ISO 10993-1 recommendations for permanent mucous membrane contact. The compound composition is optimised for high biocompatibility and superior mechanical, thermal and chemical resistance. VESTAKEEP® DC4430 G can be processed by common melt processing techniques like injection molding and extrusion.&& |
| Product Description | |
|---|---|
| Supplier | Evonik |
| Generic | PEEK |
| Material Status | Commercial: Active |
| Features | High Viscosity,Biocompatible,Heat Resistance, Good,Solvent resistance |
| Availabilitys | North America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.50 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 380℃，5 kg | 9.50 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.40 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 4100 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 95.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 4.8 | % | |
| fracture | > 10 | % |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23 ℃, completely fractured | 6.8 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | |||
| 23℃ | 无断裂 | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 210 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 155 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 335 | ℃ | ISO 306/A |
| — | 305 | ℃ | ISO 306/B |
| Melting temperature | 340 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 4.5E-5 | 1/℃ | ISO 11359-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 380 to 400 | °C | |
| Mold temperature | 160 to 200 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2nd heating |
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