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VICTREX® ST™ STG45
| Category: | PEKEKK , Polyetherketone Etherketone Ketone |
| Manufacturer: | Victrex plc |
| Trademark: | VICTREX® ST™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 9lKmik_VICTREX-ST-STG45.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, colour natural/beige. Typical Application Areas: Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments. |
| General Information | |
|---|---|
| Features |
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| Appearance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | ISO 1183 | ||
| -- 1 | 1.26 | g/cm³ | ISO 1183 |
| -- 2 | 1.30 | g/cm³ | ISO 1183 |
| Spiral Flow | Internal method | ||
| -- | 16.0 | cm | Internal method |
| -- | 19.0 | cm | Internal method |
| -- 3 | 68.0 | cm | Internal method |
| Molding Shrinkage | ISO 294-4 | ||
| Vertical flow direction 4 | 1.2 | % | ISO 294-4 |
| Vertical flow direction 5 | 1.6 | % | ISO 294-4 |
| Flow direction 6 | 1.4 | % | ISO 294-4 |
| Flow direction 7 | 1.1 | % | ISO 294-4 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D, 23°C) | 85 | ISO 868 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus (23°C) | 4300 | MPa | ISO 527-2 |
| Tensile Stress (Yield, 23°C) | 115 | MPa | ISO 527-2 |
| Tensile Strain (Break, 23°C) | 20 | % | ISO 527-2 |
| Flexural Modulus (23°C) | 4100 | MPa | ISO 178 |
| Flexural Stress | ISO 178 | ||
| 3.5% strain, 23°C | 135 | MPa | ISO 178 |
| 23°C 8 | 180 | MPa | ISO 178 |
| 125°C | 110 | MPa | ISO 178 |
| 175°C | 36.0 | MPa | ISO 178 |
| 275°C | 21.0 | MPa | ISO 178 |
| Compressive Stress | ISO 604 | ||
| 23°C | 145 | MPa | ISO 604 |
| 120°C | 90.0 | MPa | ISO 604 |
| 200°C | 35.0 | MPa | ISO 604 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength (23°C) | 4.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotched Impact Strength (23°C) | No Break | ISO 179 | |
| Notched Izod Impact (23°C) | 6.0 | kJ/m² | ISO 180/A |
| Unnotched Izod Impact Strength (23°C) | No Break | ISO 180 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Heat Deflection Temperature (1.8 MPa, Unannealed) | 172 | °C | ISO 75-2/Af |
| Glass Transition Temperature 9 | 162 | °C | ISO 3146 |
| Melting Temperature (DSC) | 387 | °C | ISO 3146 |
| Linear thermal expansion coefficient | ISO 11359-2 | ||
| Flow 10 | 4.5E-5 | cm/cm/°C | ISO 11359-2 |
| Flow 11 | 1.1E-4 | cm/cm/°C | ISO 11359-2 |
| Lateral 12 | 5.5E-5 | cm/cm/°C | ISO 11359-2 |
| Lateral 13 | 1.3E-4 | cm/cm/°C | ISO 11359-2 |
| Thermal Conductivity (23°C) | 0.29 | W/m/K | ISO 22007-4 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity (23°C) | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric Strength (2.50 mm) | 23 | kV/mm | IEC 60243-1 |
| Dielectric Constant (23°C, 1 kHz) | 3.00 | IEC 60250 | |
| Dissipation Factor (23°C, 1 MHz) | 4.0E-3 | IEC 60250 | |
| Comparative Tracking Index 14 | 150 | V | IEC 60112 |
| Fill Analysis | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Melt Viscosity (420°C) | 220000 | mPa·s | ISO 11443 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | |||
| A | 180 | °C | |
| B | 150 | °C | |
| Drying Time | |||
| A | 3.0 | hr | |
| B | 6.0 | hr | |
| Hopper Temperature | < 100 | °C | |
| Rear Temperature | 375 | °C | |
| Middle Temperature | 380 - 385 | °C | |
| Front Temperature | 390 | °C | |
| Nozzle Temperature | 395 | °C | |
| Mold Temperature | 200 - 220 | °C | |
| Mold Temperature - Maximum | 250 | °C |
| Injection instructions |
|---|
| Gate: >1mm or 0.5 x part thickness |
| Note Message | |
|---|---|
| 1 . | Amorphous |
| 2 . | Crystalline |
| 3 . | 3 mm |
| 4 . | 395°C nozzle, 200°C tool |
| 5 . | 415°C nozzle, 220°C tool |
| 6 . | 415°C nozzle, 220°C tool |
| 7 . | 395°C nozzle, 200°C tool |
| 8 . | at Yield |
| 9 . | Onset |
| 10 . | Below Tg |
| 11 . | Above Tg |
| 12 . | Below Tg |
| 13 . | Above Tg |
| 14 . | Result based on 450G |
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