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- Victrex® ST™ STG45 PolyEtherKetoneEtherKetoneKetone, Unreinforced
Victrex® ST™ STG45 PolyEtherKetoneEtherKetoneKetone, Unreinforced
| Category | Polymer , Thermoplastic , Polyketone , Polyetherketoneetherketoneketone (PEKEKK), Wear Resistant |
| Manufacturer | Victrex |
| Trade Name | ST™ |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Victrex® ST™ STG45 PolyEtherKetoneEtherKetoneKetone, Unreinforced.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Product Description:High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, color natural/beige.Typical Application Areas:Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments.Information Provided by VICTREX®
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.30 g/cc | 0.0470 lb/in³ | Crystalline; ISO 1183 |
| Water Absorption at Saturation | 0.95 % @Temperature 100 °C |
0.95 % @Temperature 212 °F |
by immersion; ISO 62-1 |
| Viscosity | 225000 cP @Temperature 420 °C |
225000 cP @Temperature 788 °F |
melt; ISO 11443 |
| Linear Mold Shrinkage, Flow | 0.011 cm/cm | 0.011 in/in | 360°C nozzle, 160°C tool; ISO 294-4 |
| 0.014 cm/cm | 0.014 in/in | 360°C nozzle, 160°C tool; ISO 294-4 | |
| Linear Mold Shrinkage, Transverse | 0.012 cm/cm | 0.012 in/in | 395°C nozzle, 200°C tool; ISO 294-4 |
| 0.016 cm/cm | 0.016 in/in | 415°C nozzle, 220°C tool; ISO 294-4 | |
| Spiral Flow | 16.0 cm @Thickness 1.00 mm |
6.30 in @Thickness 0.0394 in |
395°C nozzle, 200°C tool |
| 19.0 cm @Thickness 1.00 mm |
7.48 in @Thickness 0.0394 in |
415°C nozzle, 220°C tool | |
| 68.0 cm @Thickness 76.2 mm |
26.8 in @Thickness 3.00 in |
395°C nozzle, 200°C tool |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 84.5 | 84.5 | ISO 868 |
| Tensile Strength, Yield | 115 MPa @Temperature 23.0 °C |
16700 psi @Temperature 73.4 °F |
ISO 527 |
| Elongation at Break | 25 % @Temperature 23.0 °C |
25 % @Temperature 73.4 °F |
ISO 527 |
| Tensile Modulus | 4.20 GPa @Temperature 23.0 °C |
609 ksi @Temperature 73.4 °F |
ISO 527 |
| Flexural Strength | 20.0 MPa @Temperature 275 °C |
2900 psi @Temperature 527 °F |
ISO 178 |
| 35.0 MPa @Temperature 175 °C |
5080 psi @Temperature 347 °F |
ISO 178 | |
| 110 MPa @Temperature 125 °C |
16000 psi @Temperature 257 °F |
ISO 178 | |
| 190 MPa @Temperature 23.0 °C |
27600 psi @Temperature 73.4 °F |
ISO 178 | |
| 130 MPa @Strain 3.50 % |
18900 psi @Strain 3.50 % |
ISO 178 | |
| Flexural Modulus | 4.00 GPa @Temperature 23.0 °C |
580 ksi @Temperature 73.4 °F |
ISO 178 |
| Compressive Strength | 35.0 MPa @Temperature 200 °C |
5080 psi @Temperature 392 °F |
ISO 604 |
| 90.0 MPa @Temperature 120 °C |
13100 psi @Temperature 248 °F |
ISO 604 | |
| 145 MPa @Temperature 23.0 °C |
21000 psi @Temperature 73.4 °F |
ISO 604 | |
| Izod Impact, Notched (ISO) | 6.00 kJ/m² @Temperature 23.0 °C |
2.86 ft-lb/in² @Temperature 73.4 °F |
ISO 180/A |
| Izod Impact, Unnotched (ISO) | NB @Temperature 23.0 °C |
NB @Temperature 73.4 °F |
ISO 180/U |
| Charpy Impact Unnotched | NB @Temperature 23.0 °C |
NB @Temperature 73.4 °F |
ISO 179/1U |
| Charpy Impact, Notched | 0.400 J/cm² @Temperature 23.0 °C |
1.90 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eA |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 55.0 µm/m-°C @Temperature <=162 °C |
30.6 µin/in-°F @Temperature <=324 °F |
Average below Tg; ISO 11359 |
| 125 µm/m-°C @Temperature >=162 °C |
69.4 µin/in-°F @Temperature >=324 °F |
Average above Tg; ISO 11359 | |
| CTE, linear, Parallel to Flow | 45.0 µm/m-°C @Temperature <=162 °C |
25.0 µin/in-°F @Temperature <=324 °F |
Below Tg; ISO 11359 |
| 105 µm/m-°C @Temperature >=162 °C |
58.3 µin/in-°F @Temperature >=324 °F |
Above Tg; ISO 11359 | |
| Thermal Conductivity | 0.320 W/m-K | 2.22 BTU-in/hr-ft²-°F | Along flow; ISO 22007-4 |
| 0.290 W/m-K @Temperature 23.0 °C |
2.01 BTU-in/hr-ft²-°F @Temperature 73.4 °F |
Average; ISO 22007-4 | |
| Melting Point | 387 °C | 729 °F | ISO 11357 |
| Deflection Temperature at 1.8 MPa (264 psi) | 172 °C | 342 °F | ISO 75-f |
| Glass Transition Temp, Tg | 162 °C | 324 °F | Onset; ISO 11357 |
| 169 °C | 336 °F | Midpoint; ISO 11357 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.00e+16 ohm-cm | 1.00e+16 ohm-cm | IEC 60093 |
| Dielectric Constant | 3.0 @Frequency 1000 Hz, Temperature 23.0 °C |
3.0 @Frequency 1000 Hz, Temperature 73.4 °F |
IEC 60250 |
| Dielectric Strength | 23.0 kV/mm @Thickness 2.00 mm |
584 kV/in @Thickness 0.0787 in |
IEC 60243-1 |
| Dissipation Factor | 0.0040 @Frequency 1.00e+6 Hz, Temperature 23.0 °C |
0.0040 @Frequency 1.00e+6 Hz, Temperature 73.4 °F |
IEC 60250 |
| Comparative Tracking Index | 150 V | 150 V | IEC 60112 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Mold Temperature | 200 - 220 °C | 392 - 428 °F | |
| Drying Temperature | 150 °C @Time 21600 sec |
302 °F @Time 6.00 hour |
|
| 180 °C @Time 10800 sec |
356 °F @Time 3.00 hour |
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