| About |
|---|
| VESTAKEEP Ultimate is a high-viscosity, unreinforced polyether ether ketone for injection molding and extrusion. The semi-crystalline polymer features superior thermal and chemical resistance. Parts made from VESTAKEEP Ultimate are self-extinguishing. VESTAKEEP Ultimate can be processed by common machines for thermoplastics.&& |
| Product Description | |
|---|---|
| Supplier | Evonik |
| Generic | PEEK |
| Material Status | Commercial: Active |
| Features | High Viscosity,Self-extinguishing,Hypocrystalline,Solvent resistance,V-0 |
| 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 | 7.00 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD：180℃，2.0 mm | 1.1 | % | ISO 294-4 |
| MD：180℃，2.0 mm | 0.90 | % | ISO 294-4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3400 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 95.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 40 | % | ISO 527-2 |
| yield | 5.0 | % | ISO 527-2 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30 ℃, completely fractured | 8.0 | kJ/m² | ISO 179/1eA |
| 23 ℃, completely fractured | 9.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30 ℃, completely fractured | No Break | ISO 179/1eU | |
| 23 ℃, completely fractured | No Break | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| 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℃ | 6.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+14 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 16 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 50 Hz | 2.80 | IEC 60250 | |
| 1 MHz | 2.80 | IEC 60250 | |
| Compared to the leakage tracing index | IEC 60112 | ||
| Solution A | 175 | V | IEC 60112 |
| Solution A | 200 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 3.20 mm | V-0 | UL 94 | |
| Glowing wire flammability index | |||
| 2.0 mm | 960 | ℃ | IEC 60695-2-12 |
| Igniting temperature of the hot wire | |||
| 2 mm | 850 | ℃ | IEC 60695-2-13 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 370 to 380 | °C | |
| Mold temperature | 160 to 200 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. determined on 2 mm sheets with film gate at rim mold temperature 180°C |
| 3. 2nd heating |
| 4. K20/P50 |
| 5. 100 drops value |
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