myVESTAKEEP® DC4420 G by Evonik is a white pigmented, high viscosity, high performance polyether ether ketone (PEEK) grade (supplied as cylindrical pellets). It can be processed by common melt processing techniques like injection molding and extrusion.
Details
Product Type
Industry
Producer
Supplier
Advantages
- biomaterial
- superior mechanical-, thermal- and chemical resistance
- outstanding wear comfort, excellent biostability
- shock absorption capability
Other Applications
Healthcare / Medical > Dental prosthesis
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Physical state | Pill shape | ||
| Appearance | White | ||
| Physical Properties | |||
| Density | 1.49 | g/ml | ISO 1183 |
| MFI | 14.15 | g/10min | 380°C/5 kg- ISO 1133 |
| Melting range | 380 - 400 | ºC | |
| Thermal Properties | |||
| Heat Deflection temperature | 210 | ºC | ISO 75-2 |
| Vicat softening temperature | 305 | ºC | ISO 306 |
| Vicat softening temperature | 335 | ºC | ISO 306 |
| Heat Deflection temperature | 155 | ºC | ISO 75-1 |
| Melting point | 340 | ºC | ISO 11357, DSC (2nd heating) |
| Mechanical Properties | |||
| Tensile Stress at yield-MD | 95 | MPa | ISO 527-1/ ISO 527-2 |
| Strain at break-MD | >10 | % | ISO 527-1/ ISO 527-2, 23°C/ 50% R.H. |
| (Charpy Impact Strength(unnotched | kJ/m² | ISO 179/1eU | |
| Charpy Impact Strength (notched) | 6.8 | kJ/m² | ISO 179/1eA |
| Tensile modulus-MD | 4100 | MPa | ISO 527-1 |
| Chemical Properties | |||
| Water absorption | 0.4 | % | ISO 62 |
| Process Properties | |||
| Mold Temperature | 160 - 200 | ºC | |