myVESTAKEEP® 4000G is an unreinforced, semi-crystalline, high viscosity polyether ether ketone (PEEK) resin.
Details
Product Type
Applications
Industry
Producer
Supplier
Advantages
- excellent thermal- and chemical resistance
- combustion resistant
- good dimensional stability
- self-extinguishing
- hydrolysis resistant
- self-lubricating
- good processability
- recyclable
- good sterilizability
- good wear resistance
Other Applications
automotive applications such as gears
medical goods
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Particle size | 550 | µm | Malvern Mastersizer |
| Physical state | Granulated | ||
| Physical Properties | |||
| Bulk density | 0.22 | g/ml | ISO 60 |
| Shrinkage | 1.1 | % | ISO 294-4, 2 mm, Transverse |
| Shrinkage | 1.1 | % | ISO 294-4, 2 mm, Flow |
| Density | 1.3 | g/ml | ISO 1183- 23°C |
| MFI | 91 | g/10min | 380°C/5 kg- ISO 1133 |
| Melting range | 370 - 380 | ºC | |
| Thermal Properties | |||
| Vicat softening temperature | 310 | ºC | ISO 306, 50N, Method B |
| Glass transition Temperature | 151 | ºC | |
| Melting point | 340 | ºC | ISO 11357, DSC - 2nd heating |
| Flameability | UL 94,3.2 mm | ||
| Heat Deflection temperature | 155 | ºC | ISO 75-1, 1.8 MPa, Method A |
| Heat Deflection temperature | 205 | ºC | ISO 75-1, 0.45 MPa, Method B |
| Vicat softening temperature | 335 | ºC | ISO 306, 10N, Method A |
| Dry Time | 240 | min | |
| Mechanical Properties | |||
| Tensile modulus-MD | 3700000 | MPa | |
| (Charpy Impact Strength(unnotched | kJ/m² | ISO 179/1eU, -30°C | |
| (Charpy Impact Strength(unnotched | kJ/m² | ISO 179/1eU, 23°C | |
| Charpy Impact Strength (notched) | 6 | kJ/m² | ISO 179/1eA, 23°C, Complete break |
| Strain at break-MD | 30 | % | ISO 527-2 |
| Tensile Stress at yield-MD | 100 | MPa | ISO 527-1 |
| Charpy Impact Strength (notched) | 6 | kJ/m² | ISO 179/1eA, -30°C, Complete break, |
| Chemical Properties | |||
| LOI | 38 | % | ISO 4589, 3.2 mm |
| Water absorption | 0.5 | % | ISO 62, 23°C, Saturation |
| Electrical Properties | |||
| Surface Resistance | ohm | IEC 60093 | |
| Dissipation Factor | 0.005 | %, IEC 60250, 1 MHz | |
| Comparative Tracking Index | 200 | V | IEC 60112 |
| Dielectric Strength | 16 | Kv/mm | IEC 60243-1, K20/P50 |
| Volume resistance | ohm-cm | IEC 60093 | |
| Relative permittivity | 2.8 | IEC 60250, 50 Hz | |
| Relative permittivity | 2.8 | IEC 60250, 1 MHz | |
| Process Properties | |||
| Drying Temperature | 160 | ºC | |
| Die Temperature | 380 | ºC | |
| Mold Temperature | 160 - 200 | ºC | |