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VESTAKEEP® MC 4420 G
| Category: | PEEK , Polyetheretherketone |
| Manufacturer: | Evonik Industries AG |
| Trademark: | VESTAKEEP® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 19YQOv_VESTAKEEP-MC-4420-G.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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White polyether ether ketone for medical applications. VESTAKEEP MC 4420 G is a white polyetherether ketone (PEEK) grade that is designed for medical applications with limited time body contact (up to 180 days). The compound composition is optimised for high biocompatibility and superior mechanical, thermal and chemical resistance. VESTAKEEP MC 4420 G can be processed by common injection molding and extrusion processes. We recommend a melt temperature between 380°C and 400°C during the injection molding process. The mold temperature should be within a range of 160°C to 200°C, preferably 180°C. List of performed biocompatibility tests:
The results of these tests showed no signs of cytotoxicity, sensitisation, irritation, or compound related tissue reactions. VESTAKEEP MC 4420 G meets the requirements of USP Plastic Class VI. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 1.49 | g/cm³ | ISO 1183 |
| Melt Volume-Flow Rate (MVR) (380°C/5.0 kg) | 8.00 | cm³/10min | ISO 1133 |
| Water Absorption (Saturation, 23°C) | 0.40 | % | ISO 62 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 4100 | MPa | ISO 527-2 |
| Tensile Stress (Yield) | 95.0 | MPa | ISO 527-2 |
| Tensile Strain | ISO 527-2 | ||
| Yield | 5.0 | % | |
| Break | 20 | % |
| Impact | Nominal Value | Unit | Test Method |
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| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30°C, Complete Break | 7.0 | kJ/m² | |
| 23°C, Complete Break | 7.0 | kJ/m² | |
| Charpy Unnotched Impact Strength | ISO 179/1eU | ||
| -30°C, Partial Break | No Break | ||
| 23°C | No Break |
| Thermal | Nominal Value | Unit | Test Method |
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| Heat Deflection Temperature | |||
| 0.45 MPa, Unannealed | 210 | °C | ISO 75-2/B |
| 1.8 MPa, Unannealed | 155 | °C | ISO 75-2/A |
| Vicat Softening Temperature | |||
| -- | 335 | °C | ISO 306/A |
| -- | 305 | °C | ISO 306/B |
| Melting Temperature 1 | 340 | °C | ISO 11357-3 |
| CLTE - Flow (23 to 55°C) | 4.5E-5 | cm/cm/°C | ISO 11359-2 |
| Flammability | Nominal Value | Test Method | |
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| Flame Rating (1.60 mm) | V-0 | UL 94 |
| Note Message | |
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| 1 . | 2nd heating |
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